{"title":"2020-2026 GM 2500HD\/3500HD 6.6L L5P Duramax Mufflers","description":"\u003cdiv\u003e\n\u003cinput id=\"post-1\" class=\"read-more-state\" type=\"checkbox\"\u003e\n\u003cp class=\"read-more-wrap\"\u003e\u003cspan class=\"read-more-target\"\u003eEnhance the overall sound of your 2020-2026 GM 6.6L Duramax L5P with our selection of universal mufflers at Alligator Performance! These mufflers are designed to replace your stock system, offering improved exhaust flow, reduced backpressure, and a more aggressive exhaust note. Whether you want a deep, throaty growl or a subtle performance tone, these universal mufflers can help you achieve the sound you’re after while slightly boosting horsepower and torque. Pair them with a \u003ca href=\"2020-2022-gm-duramax-66l-l5p-single-exit-dpf-back-kits\" title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Single-Exit Kits\" rel=\"noopener\" target=\"_blank\"\u003eSingle-Exit Kit\u003c\/a\u003e or \u003ca href=\"2020-2022-gm-duramax-66l-l5p-dual-exit-dpf-back-kits\" title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Dual-Exit Kits\" rel=\"noopener\" target=\"_blank\"\u003eDual-Exit Kit\u003c\/a\u003e for a fully customized exhaust system that meets your performance and style goals for your GM 2500HD\/3500HD. \u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eGM Duramax Fitments:\u003c\/strong\u003e 2020, 2021, 2022, 2023, 2024, 2025, 2026 GM 6.6L Duramax.\u003c\/span\u003e \u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eSubmodel Fitments:\u003c\/strong\u003e WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.\u003c\/span\u003e \u003cspan class=\"headerspam\"\u003eSome exceptions apply, please see individual product pages for specific fitments.\u003c\/span\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003clabel class=\"read-more-trigger\" for=\"post-1\"\u003e\u003c\/label\u003e\n\u003c\/div\u003e","products":[{"product_id":"magnaflow-12776-5-performance-muffler","title":"MagnaFlow 12776 5\" inch Inlet\/Outlet 20\" inch Long 7\" inch Round Performance Muffler | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for custom exhaust projects\u003c\/li\u003e\n\u003cli\u003e5\" inlet and outlet, center\/center design\u003c\/li\u003e\n\u003cli\u003eFree-flowing straight-through core design\u003c\/li\u003e\n\u003cli\u003ePerforated stainless steel core for durability\u003c\/li\u003e\n\u003cli\u003eWrapped in stainless mesh and acoustic fiber\u003c\/li\u003e\n\u003cli\u003eProduces a smooth, deep exhaust tone\u003c\/li\u003e\n\u003cli\u003eFully reversible for flexible installation\u003c\/li\u003e\n\u003cli\u003e7\" round body with satin finish\u003c\/li\u003e\n\u003cli\u003e20\" overall length, 14\" body length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMade for Custom Exhausts\u003c\/h4\u003e\n\u003cp\u003eWhen you’re putting together a custom exhaust setup and want that signature deep MagnaFlow tone without sacrificing flow, the MagnaFlow 12776 Performance Muffler checks every box. With a large 5-inch inlet and outlet, this straight-through design is built for serious airflow, making it ideal for high-horsepower applications. Inside, a perforated stainless steel core is wrapped in stainless mesh and acoustic fiber to create a smooth, rich tone that sounds refined at idle and aggressive under load. It’s not just about sound, though, this muffler delivers real performance by minimizing backpressure while keeping things well-mannered on the street.\u003c\/p\u003e\n\u003ch4\u003eFlexible Fit and Built to Last\u003c\/h4\u003e\n\u003cp\u003eAt 20 inches overall length with a 14-inch body and 7-inch round shape, this muffler offers solid dimensions that fit a wide range of custom builds. The fully reversible design makes installation easy in tight or unconventional setups, whether you’re running it under a lifted diesel or fabbing a full stainless system for a track car. Finished in a clean satin stainless steel, it resists corrosion and holds up well to heat and road grime. If you're building an exhaust that performs just as good as it sounds, the 12776 brings the tone, the flow, and the durability to make it all come together.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn\/Out Diameter:  5\"\/5\"\u003c\/li\u003e\n\u003cli\u003eConfiguration:  Center\/Center\u003c\/li\u003e\n\u003cli\u003eBody Length:  14\"\u003c\/li\u003e\n\u003cli\u003eOverall Length:  20\"\u003c\/li\u003e\n\u003cli\u003eBody Finish:  Satin\u003c\/li\u003e\n\u003cli\u003eBody Shape:  7\" x 7\" Round\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magnaflow Exhaust Products","offers":[{"title":"Default Title","offer_id":49526682157340,"sku":"MFL12776","price":226.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/a1f5919d18619__73677.jpg?v=1722357897"},{"product_id":"magnaflow-15451-stainless-4-muffler-delete-pipe-universal","title":"MagnaFlow 15451 Stainless 4 inch Muffler Delete Pipe | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeletes muffler for aggressive sound\u003c\/li\u003e\n\u003cli\u003e4-inch mandrel-bent stainless steel tubing\u003c\/li\u003e\n\u003cli\u003eDesigned for universal custom applications\u003c\/li\u003e\n\u003cli\u003eEnhances exhaust flow and performance\u003c\/li\u003e\n\u003cli\u003eIncreases horsepower and torque potential\u003c\/li\u003e\n\u003cli\u003eBuilt from corrosion-resistant stainless steel\u003c\/li\u003e\n\u003cli\u003eIdeal for DIY and custom exhaust builds\u003c\/li\u003e\n\u003cli\u003eCompatible with performance exhaust systems\u003c\/li\u003e\n\u003cli\u003eSmooth bends reduce exhaust flow restrictions\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-term use\u003c\/li\u003e\n\u003cli\u003eTrusted MagnaFlow quality and engineering\u003c\/li\u003e\n\u003cli\u003eResists rust and harsh environmental conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTurn Up The Sound And Let Your Exhaust Breathe\u003c\/h4\u003e\n\u003cp\u003eIf you're looking to let your ride sound as tough as it runs, the MagnaFlow 15451 Muffler Delete Pipe is exactly what you need. Whether you're chasing more volume, more flow, or just want to ditch that restrictive factory muffler, this pipe gives your exhaust the attitude it’s been missing. Built from high-grade stainless steel, it's made to handle everything from daily commutes to weekend pulls at the track. The aggressive tone it adds is noticeable the moment you hit the throttle, turning heads and putting a smile on your face. This is the perfect solution for anyone building a custom setup or wanting a cleaner, louder system without a full cat-back swap. It’s simple, effective, and built to last in any driving conditions. And because it’s MagnaFlow, you know you're getting something engineered with performance and quality in mind.\u003c\/p\u003e\n\u003ch4\u003eBuilt To Flow Strong And Last Even Longer\u003c\/h4\u003e\n\u003cp\u003eThe MagnaFlow 15451 Muffler Delete Pipe is crafted from 4-inch mandrel-bent stainless steel tubing, ensuring smooth, unrestricted flow throughout your exhaust system. The mandrel bends prevent pinching or crimping inside the pipe, which keeps exhaust velocity high and helps unlock more horsepower and torque. This universal-fit component is ideal for performance enthusiasts looking to build a custom exhaust or replace specific sections with durable, high-flow alternatives. Stainless steel construction provides strong resistance against rust, heat, and the elements, making it a smart investment for long-term use. The delete design removes the muffler from your system, which not only reduces backpressure but also enhances throttle response and sound clarity. Whether you're piecing together a full system or just upgrading one section, this pipe integrates easily with most performance exhaust setups. Backed by MagnaFlow’s reputation for precision and durability, it’s a rock-solid choice for any builder or fabricator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fitment requires proper measurements and welding\u003c\/li\u003e\n\u003cli\u003eDesigned to replace mufflers in custom exhaust setups\u003c\/li\u003e\n\u003cli\u003eMandrel-bent tubing maintains consistent exhaust flow\u003c\/li\u003e\n\u003cli\u003eHelps improve horsepower and torque when properly installed\u003c\/li\u003e\n\u003cli\u003eConstructed from stainless steel for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIdeal for off-road or performance applications\u003c\/li\u003e\n\u003cli\u003eMay increase exhaust sound volume significantly\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for best results\u003c\/li\u003e\n\u003cli\u003eNot a direct-fit replacement for factory systems\u003c\/li\u003e\n\u003cli\u003ePart of MagnaFlow’s modular exhaust tubing lineup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Magnaflow Exhaust Products","offers":[{"title":"Default Title","offer_id":49526684975388,"sku":"MFL15451","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/15451.3__98124.jpg?v=1743022022"},{"product_id":"mbrp-gp220022-garage-parts-installer-series-muffler","title":"MBRP GP220022 5\" inch ID Inlet\/Outlet 31\" in Exhaust Pipe Single Muffler Aluminized Steel | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-inch inlet and outlet for high flow\u003c\/li\u003e\n\u003cli\u003e31-inch overall length for flexible fitment\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminized steel\u003c\/li\u003e\n\u003cli\u003eResists corrosion and high-temperature wear\u003c\/li\u003e\n\u003cli\u003eStraight-through design for reduced backpressure\u003c\/li\u003e\n\u003cli\u003eEnhances horsepower and torque gains\u003c\/li\u003e\n\u003cli\u003eProduces a deep, aggressive exhaust note\u003c\/li\u003e\n\u003cli\u003eUniversal fit for custom exhaust projects\u003c\/li\u003e\n\u003cli\u003eIdeal for trucks, SUVs, and performance builds\u003c\/li\u003e\n\u003cli\u003eMBRP Installer Series quality and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePremium Universal Muffler Upgrade\u003c\/h4\u003e\n\u003cp\u003eIf you're building a custom exhaust system and want a muffler that delivers performance without sacrificing durability, the MBRP GP220022 5-inch Installer Series Muffler is a strong choice. Designed for enthusiasts who want better exhaust flow and a deeper, more aggressive sound, this universal-fit muffler brings the perfect balance of power, tone, and longevity to your project, whether you’re working on a lifted truck, a high-performance SUV, or a custom street machine. This muffler features a 5-inch ID inlet and outlet, allowing for high-volume exhaust flow that supports serious horsepower and torque gains. The 31-inch overall length offers flexibility for custom applications, making it easy to integrate into a wide range of setups without needing endless fabrication work. Whether you’re upgrading an existing system or starting from scratch, the size and design give you the room to build it your way.\u003c\/p\u003e\n\u003ch4\u003eHigh-Quality Construction \u0026amp; Design\u003c\/h4\u003e\n\u003cp\u003eBuilt from aluminized steel, this muffler is engineered to handle the real-world abuse that comes with daily driving, heavy towing, or hard-hitting performance. The aluminized finish offers strong resistance against rust and corrosion, keeping your system looking and performing like it should, even after years of exposure to heat, moisture, and road grime. Inside, the straight-through design minimizes backpressure, allowing your engine to breathe more freely. The result is not just more power, but a sharper throttle response and that unmistakable deep exhaust tone that sounds just right, aggressive when you get on it, but not obnoxious when you’re cruising.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5″ inlet and outlet support high exhaust volume, ideal for maximizing flow.\u003c\/li\u003e\n\u003cli\u003e31″ overall length offers flexible fitment in custom builds.\u003c\/li\u003e\n\u003cli\u003eAluminized steel construction resists corrosion and holds up under heat and road conditions.\u003c\/li\u003e\n\u003cli\u003eStraight‑through internal core reduces backpressure for better throttle response.\u003c\/li\u003e\n\u003cli\u003eDesigned to boost horsepower and torque when integrated into custom exhaust systems.\u003c\/li\u003e\n\u003cli\u003eDelivers a deep, aggressive tone, loud when accelerated but moderate at idle.\u003c\/li\u003e\n\u003cli\u003eClamp‑on universal fit requires some adaptation or welding for proper install.\u003c\/li\u003e\n\u003cli\u003eEntry‑level Armor Lite build offers performance at a lower price point vs stainless systems.\u003c\/li\u003e\n\u003cli\u003eAverage user rating ~4.6–4.7\/5 across hundreds of reviews, well regarded for fit and sound.\u003c\/li\u003e\n\u003cli\u003eLacks any stated warranty and is not CARB certified, so verify local emissions compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MBRP Exhaust","offers":[{"title":"Default Title","offer_id":49526943252764,"sku":"MBRGP220022","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MBRGP220022_20Muffler_2000.jpg?v=1722358068"},{"product_id":"mbrp-gp290022-garage-parts-xp-series-muffler","title":"MBRP GP290022 5\" inch ID Inlet\/Outlet 31\" in Exhaust Pipe Single Muffler T409 Stainless Steel | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-inch inlet and outlet diameter\u003c\/li\u003e\n\u003cli\u003e31-inch overall muffler length\u003c\/li\u003e\n\u003cli\u003eConstructed from T409 stainless steel\u003c\/li\u003e\n\u003cli\u003eUniversal fit for custom applications\u003c\/li\u003e\n\u003cli\u003eDesigned for high-flow diesel systems\u003c\/li\u003e\n\u003cli\u003eReduces backpressure and improves efficiency\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant for long-term durability\u003c\/li\u003e\n\u003cli\u003eIdeal for performance and heavy-duty use\u003c\/li\u003e\n\u003cli\u003eCompatible with 5-inch exhaust setups\u003c\/li\u003e\n\u003cli\u003eBacked by a limited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUniversal Muffler Upgrade Improves Flow and Reduces Back Pressure\u003c\/h4\u003e\n\u003cp\u003eIf you're building a custom exhaust system or replacing a worn-out muffler, the MBRP is a great choice for performance, durability, and sound control. This single muffler is built with a 5-inch inlet and outlet, giving it the flow capacity to support high-horsepower diesel applications without choking things up. At 31 inches in length, it provides a nice balance between sound suppression and performance, perfect if you want a deep, refined tone without giving up that aggressive edge. This muffler is part of MBRP’s Armor Plus lineup and is constructed from tough T409 stainless steel. It’s designed to handle heat, moisture, and road grime without rusting out, making it ideal for trucks that see hard use or get driven in all types of weather. Whether you're hauling heavy, running a tune, or just want a long-lasting component for your build, this muffler is built to go the distance. Being a universal part, it gives you flexibility in custom builds or retrofits. Just make sure you’re working with a 5-inch exhaust system and the dimensions line up with your setup. Once installed, it helps smooth out the exhaust tone while maintaining excellent flow, reducing backpressure and helping your turbo spool more efficiently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit, ensure compatibility with 5-inch systems.\u003c\/li\u003e\n\u003cli\u003eMuffler measures 31 inches in overall length.\u003c\/li\u003e\n\u003cli\u003eIdeal for high-horsepower diesel truck applications.\u003c\/li\u003e\n\u003cli\u003eReduces backpressure to support improved efficiency.\u003c\/li\u003e\n\u003cli\u003eConstructed from T409 stainless for long-term durability.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant finish handles harsh driving conditions.\u003c\/li\u003e\n\u003cli\u003eDesigned for tuned, high-flow, or heavy-duty setups.\u003c\/li\u003e\n\u003cli\u003eProduces a deep, controlled exhaust tone.\u003c\/li\u003e\n\u003cli\u003eWorks well in both custom and retrofit builds.\u003c\/li\u003e\n\u003cli\u003ePart of MBRP's Armor Plus product series.\u003c\/li\u003e\n\u003cli\u003eBacked by a limited lifetime manufacturer warranty.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MBRP Exhaust","offers":[{"title":"Default Title","offer_id":49526943285532,"sku":"MBRGP290022","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MBRGP290022_20Muffler_2000.jpg?v=1722358069"},{"product_id":"mbrp-m1031-muffler-4-inlet-outlet-24-body-30-overall-t304-stainless","title":"MBRP M1031 4 inch Inlet\/Outlet Muffler | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit with 4-inch inlet and outlet\u003c\/li\u003e\n\u003cli\u003e24-inch body length, 30-inch overall length\u003c\/li\u003e\n\u003cli\u003eConstructed from T304 stainless steel\u003c\/li\u003e\n\u003cli\u003eSpiral louvered core accelerates exhaust flow\u003c\/li\u003e\n\u003cli\u003eHigh-density packing for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eFully welded design for extreme durability\u003c\/li\u003e\n\u003cli\u003eDelivers the classic MBRP deep exhaust tone\u003c\/li\u003e\n\u003cli\u003eIdeal for severe environments and show trucks\u003c\/li\u003e\n\u003cli\u003eEasy to clean and maintain\u003c\/li\u003e\n\u003cli\u003eLifetime warranty with Pro Series construction\u003c\/li\u003e\n\u003cli\u003eDesigned to replace standard 30-inch mufflers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePremium Muffler Upgrade by MBRP\u003c\/h4\u003e\n\u003cp\u003eWhen you want to upgrade your exhaust system with something that sounds aggressive but still keeps things refined, the MBRP M1031 4-inch Inlet\/Outlet Muffler is a smart move. Built for serious enthusiasts who don’t want to compromise on sound, flow, or durability, this universal-fit muffler brings a perfect mix of performance and attitude to any diesel or gas-powered rig. At the core of the M1031 is a spiral louvered design that’s engineered to accelerate exhaust gases as they pass through. This helps reduce backpressure, giving you better throttle response and a noticeable bump in overall performance. It’s the kind of upgrade you can feel on the highway and hear every time you roll into the throttle.\u003c\/p\u003e\n\u003ch4\u003eHigh-Quality Construction \u0026amp; Design\u003c\/h4\u003e\n\u003cp\u003eMade from high-quality T304 stainless steel, this muffler isn't just built to perform—it’s built to last. The fully welded construction can take a beating from heat, vibration, and road grime without giving up, making it an ideal choice for trucks that see tough daily use, harsh climates, or just lots of miles. Whether you’re putting it on a lifted show truck or a heavy hauler that works for a living, you’ll appreciate how easily it cleans up and how well it holds its polished finish. The sound is everything you expect from MBRP: deep, aggressive, and unmistakable, but without crossing the line into obnoxious. Thanks to its high-density packing material, the M1031 smooths out the harshness without killing the tone you want in a performance exhaust. It’s a great fit if you want to turn heads without needing earplugs for the drive home.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e","brand":"MBRP Exhaust","offers":[{"title":"Default Title","offer_id":49526943318300,"sku":"MBRM1031","price":344.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MBRM1031_20Muffler_2000.jpg?v=1722358073"},{"product_id":"mbrp-m1004-stainless-4-muffler-universal","title":"MBRP M1004 4 inch Pro Series Quiet Tone Exhaust Muffler 24 in Body 6 inch Diameter 30 inch Overall | Universal","description":"\u003cstrong\u003eMBRP PRO Series Quiet Tone Exhaust Muffler Features:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eT304 Stainless Steel\u003c\/li\u003e \u003cli\u003eUniversal for Make, Model, and Year\u003c\/li\u003e \u003cli\u003ePolished Finish\u003c\/li\u003e \u003cli\u003eRust-Resistant\u003c\/li\u003e \u003cli\u003eEnhances your Vehicle's\u003c\/li\u003e \u003cli\u003eSuperior Sound Suppression\u003c\/li\u003e \u003cli\u003eImproves Horsepower\u003c\/li\u003e \u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eReduce Engine Noise While Protecting Vehicle From Fumes\u003c\/h4\u003e The MBRP Universal muffler adds and eliminates noise, in different areas. Decreasing the noise form the engine and adding it when you accelerate through the muffler helps improve your vehicle's fuel efficiency. Getting rid of the harmful fumes from the front of your car and shoots them out the back. This helps improve vehicle life and power. With extra protection besides just the elimination of fumes, you also get a stainless steel material to help prevent rust from damaging your muffler. This muffler helps to keep your exhaust temperature down so it doesn't burn at dangerous levels.  \u003ch4\u003eRust-Resistant While Improving Fuel Economy\u003c\/h4\u003e For those who end up driving in harsher weather conditions, whether it be snow, or heavy rainstorms, this stainless steel material has you covered. The stainless steel material helps prevent rust from eating at your muffler on the inside or out. With the rust-resistant material this helps your muffler's life expectancy increase rather than diminish, leaving you with longer benefits such as a healthier engine. The fumes are sucked and shot out the muffler to provide the best air quality and air flow while the engine is running.  With a healthier engine this happens to improve your fuel efficiency which in return saves you money from lessening your gas station visits. 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Designed with long-haul driving in mind, this 30-inch muffler tones things down without taking the life out of your exhaust. It delivers a refined, quieter tone that won’t wear you out on long trips, especially if you’re pulling a trailer or hauling a load. The best part is, you still get that clean, aggressive rumble when you get into the throttle, just without the annoying hum inside the cabin. Whether you’re replacing a factory muffler or upgrading a loud aftermarket system, this universal-fit option makes a noticeable difference right away. It’s a direct fit for most 4-inch exhaust systems, including MBRP and other popular brands. With simple installation and a serious upgrade in sound quality, this muffler is a must-have for drivers who want their trucks to sound strong without being obnoxious.\u003c\/p\u003e\n\u003ch4\u003eBuilt With Proven Technology That Tames Sound And Boosts Flow\u003c\/h4\u003e\n\u003cp\u003eThe MBRP M1004S Quiet Tone Muffler isn’t just quiet, it’s engineered to perform. Inside, it uses a high-flow spiral louvered core and dual-core design to balance backpressure and sound suppression, giving you strong performance with drastically reduced interior noise. Over a full year of real-world testing went into dialing in its design, and the results speak for themselves with up to a 10 percent dB drop compared to other performance mufflers. Whether you're cruising empty or towing up steep grades, the muffler helps eliminate drone without choking the exhaust system. It’s made from T409 stainless steel, which holds up well to heat, moisture, and road grime, making it a durable choice for daily drivers and work trucks alike. Measuring 30 inches in total length, it's a great fit for custom builds or as a direct swap for older M229 mufflers. And because it fits any 4-inch system, installation is straightforward and adaptable to nearly any setup. This is sound control done right, tested, tuned, and ready for anything you throw at it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for 4-inch exhaust systems.\u003c\/li\u003e\n\u003cli\u003eMeasures 30 inches total length, verify space before install.\u003c\/li\u003e\n\u003cli\u003eIdeal for towing and long-distance driving applications.\u003c\/li\u003e\n\u003cli\u003eSignificantly reduces drone for a quieter cabin experience.\u003c\/li\u003e\n\u003cli\u003eDual-core design helps balance flow and sound control.\u003c\/li\u003e\n\u003cli\u003eSpiral louvered core designed for high-flow performance.\u003c\/li\u003e\n\u003cli\u003eCompatible with MBRP and other 4-inch mufflers.\u003c\/li\u003e\n\u003cli\u003eConstructed from corrosion-resistant T409 stainless steel.\u003c\/li\u003e\n\u003cli\u003eProvides up to 10% dB reduction over performance mufflers.\u003c\/li\u003e\n\u003cli\u003eTested on-road for over a year before release.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MBRP Exhaust","offers":[{"title":"Default Title","offer_id":49526943449372,"sku":"MBRM1004S","price":254.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MBRM1004S_20MBRP_20Quiet_20Tone_2030in_20Universal_20Muffler_20for_204in_20Inlet_20Outlet_20-_20T409_20Stainless_20Steel00.webp?v=1722358071"},{"product_id":"m1004a-mbrp-4-installer-series-quiet-tone-aluminized-muffler-4-inlet-4-outlet","title":"MBRP M1004A 4\" inch Installer Series Quiet Tone Aluminized Muffler 4\" inch Inlet\/4 inch Outlet | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 4\" muffler for optimal performance\u003c\/li\u003e\n\u003cli\u003eDual core technology for maximum flow\u003c\/li\u003e\n\u003cli\u003ePerfect for on-road towing applications\u003c\/li\u003e\n\u003cli\u003eSuperior sound suppression\u003c\/li\u003e\n\u003cli\u003eAluminized steel construction\u003c\/li\u003e\n\u003cli\u003eChambered internal design\u003c\/li\u003e\n\u003cli\u003eUniversal fit, modifications may be required\u003c\/li\u003e\n\u003cli\u003eSold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eQuiet Tone Muffler for High-Performance Applications\u003c\/h4\u003e\n\u003cp\u003eImproving the sound and exhaust flow of your truck is made easy with MBRP's 4-Inch Installer Series Quiet Tone Muffler. The restrictive factory muffler on your truck's exhaust is nothing to write home about, so pick up this premium replacement today to unleash even more potential under the hood of your diesel truck. This particular muffler utilizes dual core technology that provides optimal exhaust flow in conjunction with superior sound suppression in just about every situation. This also makes it perfect for on-road towing applications as interior cab noise will be greatly reduced each time you get behind the wheel. Sold individually, this premium muffler will fit on vehicles equipped with a 4-Inch exhaust system.\u003c\/p\u003e\n\u003ch4\u003eAluminized Steel Construction \u0026amp; Installation Info\u003c\/h4\u003e\n\u003cp\u003eMBRP proudly manufacturers their Installer Series Quiet Tone Muffler from fully welded, aluminized steel for superior strength and consistent functionality without compromise. The hardcore construction of this unit also exhibits impressive corrosion resistance for a lasting finish you'll be sure to love. When it comes to installation, this muffler installs in conjunction with your exhaust system using the included hardware provided by MBRP. Depending on your particular exhaust system, modifications may be required. Best of all, MBRP backs this system with a 3-Year Limited Warranty to help keep your investment protected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for most 4-inch exhaust systems.\u003c\/li\u003e\n\u003cli\u003eMeasures 30 inches overall with a 24-inch case length.\u003c\/li\u003e\n\u003cli\u003eMay require modifications depending on your setup.\u003c\/li\u003e\n\u003cli\u003eDual core design maximizes flow and reduces noise.\u003c\/li\u003e\n\u003cli\u003eIdeal for towing and on-road diesel applications.\u003c\/li\u003e\n\u003cli\u003eSignificantly reduces in-cab noise and drone.\u003c\/li\u003e\n\u003cli\u003eConstructed from fully welded aluminized steel.\u003c\/li\u003e\n\u003cli\u003eOffers good corrosion resistance for daily use.\u003c\/li\u003e\n\u003cli\u003eChambered design balances tone and performance.\u003c\/li\u003e\n\u003cli\u003eIncludes installation hardware; may need adjustments.\u003c\/li\u003e\n\u003cli\u003eSold individually, verify how many are needed.\u003c\/li\u003e\n\u003cli\u003eBacked by MBRP’s 3-Year Limited Warranty.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MBRP Exhaust","offers":[{"title":"Default Title","offer_id":49526943482140,"sku":"MBRM1004A","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MBRM1004A_20Muffler_2000.jpg?v=1722357863"},{"product_id":"mbrp-m2050-31-muffler","title":"MBRP M2050 Aluminized Exhaust Muffler Installer Series - 5in\/Out 31\" inch Long | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5\" Inch Single Inlet\/ Single Outlet\u003c\/li\u003e\n\u003cli\u003e24 Inch Body Length\u003c\/li\u003e\n\u003cli\u003e31 Inch Overall Length\u003c\/li\u003e\n\u003cli\u003eUniversal fits All pickup models\u003c\/li\u003e\n\u003cli\u003eSpiral louver design\u003c\/li\u003e\n\u003cli\u003eHigh density packing ensures long life\u003c\/li\u003e\n\u003cli\u003eFeaturing that classic MBRP sound\u003c\/li\u003e\n\u003cli\u003eUniversal Fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSuperior Quality at an Affordable Price\u003c\/h4\u003e\n\u003cp\u003eLooking for the perfect upgrade for your exhaust system without breaking the bank? Begin and end your search with MBRP's Aluminized Steel Muffler from their Installer Series. Designed to deliver both performance and value, this muffler is crafted from heavy-duty aluminized steel, ensuring long-lasting durability and corrosion resistance. MBRP has engineered this muffler to provide an excellent balance of improved exhaust flow and reduced noise. As a result, your vehicle will run cooler and quieter. Built for ease of installation, this Installer Series muffler is designed to fit a wide range of vehicles, offering a hassle-free upgrade for both professional mechanics and DIY enthusiasts.\u003c\/p\u003e\n\u003ch4\u003eDesigned for Long-Lasting Functionality\u003c\/h4\u003e\n\u003cp\u003eUnlike many budget mufflers on the market where seams are a common rust point, MBRP has constructed this Installer Series Aluminized Steel Exhaust Muffler with fully-sealed tubing. This attention to detail effectively adds years of life to your exhaust system. Each muffler features fully welded construction, designed to withstand the toughest conditions and deliver lasting performance, no matter what abuse you throw at it. Built to the same high standards as our premium Pro Series, this muffler is backed by MBRP's industry-leading 3-Year Warranty. 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The MBRP M2050S 5-inch XP Series Muffler is the sweet spot between raw sound and refined tone. With its spiral louvered core design, this muffler ramps up exhaust flow while delivering that unmistakable MBRP growl. It’s not just about noise—it’s about enhancing your truck’s voice while keeping it clean and crisp, not obnoxiously loud. The high-density packed core softens the sharp edges of the exhaust tone just enough to make long drives comfortable, all while preserving the aggressive note you want out on the road.\u003c\/p\u003e\n\u003ch4\u003eBuilt to Handle What You Throw at It\u003c\/h4\u003e\n\u003cp\u003eThis muffler is built with a fully welded, 409 stainless steel construction, making it ready for high heat, high horsepower, and high mileage abuse. At 24 inches in body length and 31 inches overall, it’s a universal fit, so make sure to measure your current setup before diving in. Whether you're patching together a custom system or upgrading an existing one, the M2050S is engineered to last and covered by MBRP’s lifetime warranty. 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Built with everyday performance and reliability in mind, this universal-fit muffler is designed to handle diesel and gas truck applications without unnecessary bulk or complication. This muffler features a 4-inch inlet and outlet, making it an easy match for most aftermarket or custom exhaust systems using that standard size. The body measures 24 inches with an overall length of 30 inches, so it’s a direct swap for systems that use the same footprint, like MBRP’s earlier M229 model or other similar mufflers on the market.\u003c\/p\u003e\n\u003ch4\u003eAluminized Steel Construction\u003c\/h4\u003e\n\u003cp\u003eIt’s made from aluminized steel, which gives you solid corrosion resistance while keeping the price more accessible than stainless alternatives. It holds up well in typical driving conditions and is a great fit for daily-driven trucks, weekend haulers, or work rigs that need dependable performance without going overboard. In terms of sound and flow, this muffler is designed to provide a nice balance. It tones down the harshness of raw exhaust while still allowing your engine to breathe. 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Beyond its durability, this muffler is built to enhance your truck’s performance. The high-flow design of this muffler allows your engine to breathe easier and perform better. And of course, we can't forget about the fan-favorite feature: the exhaust note. The muffler is designed to provide a rich, throaty growl, but without the droning or excessive noise that can be tiresome on long trips or everyday driving. Enjoy the roar you desire without sacrificing comfort.\u003c\/p\u003e\n\u003ch4\u003eBuilt for Long-Lasting Functionality\u003c\/h4\u003e\n\u003cp\u003eThe MBRP's XP Series Muffler features a rugged 16-gauge T409 Stainless Steel construction. This premium material is known for its ability to resist rust and oxidation, even under the toughest conditions. This makes it a perfect choice for owners who use their trucks in regions with harsh winters, or for off-road enthusiasts who regularly drive through mud, dirt, and water. 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Built from premium T304 stainless steel, this 30-inch universal pipe replaces your factory muffler with a straight-through design that eliminates restriction and boosts flow. That means quicker spool-up, improved throttle response, and a much more aggressive exhaust tone. Whether you're chasing more power or just want your truck to sound the part, this bypass pipe delivers on all fronts.\u003c\/p\u003e\n\u003ch4\u003eBuilt to Last and Designed to Fit\u003c\/h4\u003e\n\u003cp\u003eDesigned for universal fitment on diesel trucks with a 30-inch muffler, this bypass pipe is perfect for owners who want maximum performance without compromising on build quality. The high-grade stainless steel resists rust and corrosion, making it a solid option for trucks that face harsh climates or see off-road abuse. Plus, the polished finish makes it easy to clean and keeps your undercarriage looking sharp. 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The MBRP 4\" Universal Muffler Exhaust Resonator is an exhaust upgrade designed to accelerate exhaust flow and control the sounds that your 5\" exhaust system produces. It fits most of the 5\" exhaust systems and is a direct replacement for all MBRP 5\" performance mufflers. It is perfect for any applications both on-and-off road. Like other MBRP products, this resonator was developed with the same emphasis on maximizing power, performance, and quality. They are so confident with their quality that they back the aluminized steel material with a 3-year warranty.\u003c\/p\u003e\n\u003ch4\u003eHigh-Flow 5\" Spiral Louvered Core\u003c\/h4\u003e\n\u003cp\u003eThe MBRP 4\" Universal Muffler Exhaust Resonator features a high flow 5\" spiral louvered core design that accelerates the rate of exhaust flow for the most efficient exhaust functionality. This combines with the superior sound suppression to create the ultimate exhaust upgrade for 5\" systems. There is no resonator out there that can compete with the sound suppression of this resonator. It has triple the sound cancelling ability of its competitors and allows for elimination of those annoying drone sounds that happen when in heavy load or towing conditions. You get up to a 10% dB decrease in noise while you are driving which is much less noise compared to MBRP's regular performance muffler.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for most 5-inch exhaust systems.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for all MBRP 5\" mufflers.\u003c\/li\u003e\n\u003cli\u003eMeasures 31 inches, check available space before install.\u003c\/li\u003e\n\u003cli\u003eDual-core design balances performance and sound control.\u003c\/li\u003e\n\u003cli\u003eTriple the sound suppression compared to standard mufflers.\u003c\/li\u003e\n\u003cli\u003eHelps eliminate drone during towing or under load.\u003c\/li\u003e\n\u003cli\u003eDelivers up to 10% dB noise reduction over standard mufflers.\u003c\/li\u003e\n\u003cli\u003eSpiral louvered core accelerates exhaust flow.\u003c\/li\u003e\n\u003cli\u003eCompatible with on-road and off-road applications.\u003c\/li\u003e\n\u003cli\u003eConstructed from aluminized steel with 3-year warranty.\u003c\/li\u003e\n\u003cli\u003eOptimizes sound while maintaining high-performance output.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MBRP Exhaust","offers":[{"title":"Default Title","offer_id":49526944235804,"sku":"MBRR2009","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MBRR2009_20Muffler_20Exhaust_20Resonator_2000.jpg?v=1722358089"},{"product_id":"diamond-eye-460005-4-aluminized-louvered-high-flow-performance-muffler-universal","title":"Diamond Eye 460005 4″ Aluminized Louvered High Flow Performance Muffler | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for custom exhaust setups\u003c\/li\u003e\n\u003cli\u003e4-inch inlet and outlet diameter\u003c\/li\u003e\n\u003cli\u003eStraight through high flow design\u003c\/li\u003e\n\u003cli\u003eLouvered core improves exhaust flow\u003c\/li\u003e\n\u003cli\u003eEnhances exhaust tone and sound\u003c\/li\u003e\n\u003cli\u003eAluminized steel resists corrosionz\u003c\/li\u003e\n\u003cli\u003e30-inch overall muffler length\u003c\/li\u003e\n\u003cli\u003eReduces backpressure for better performance\u003c\/li\u003e\n\u003cli\u003eDimensions \u003cspan\u003e4x4x30in\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for diesel and gas applications\u003c\/li\u003e\n\u003cli\u003eDurable construction for long service life\u003c\/li\u003e\n\u003cli\u003eCompatible with aftermarket exhaust systems\u003c\/li\u003e\n\u003cli\u003eImproves throttle response and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eGive Your Exhaust A Deeper Tone Without Killing Performance\u003c\/h4\u003e\n\u003cp\u003eIf you are looking to clean up your exhaust sound without choking off power, this Diamond Eye high flow muffler is a solid upgrade. Right away, the straight through design lets exhaust gases move more freely, which helps your engine breathe better compared to restrictive factory mufflers. As you drive, you will notice a deeper, more aggressive tone that sounds right without being overbearing on long trips. Additionally, the louvered core design helps balance sound control with performance, so you are not sacrificing one for the other. It is a great option for anyone piecing together a custom exhaust or upgrading an existing setup. The universal fit also gives you flexibility, whether you are working on a diesel truck or a gas build. With its aluminized steel construction, it holds up well against everyday wear and exposure. It is a simple upgrade that brings both sound and performance together in a way that just works.\u003c\/p\u003e\n\u003ch4\u003eStraight Through Flow Design Built For Efficiency And Durability\u003c\/h4\u003e\n\u003cp\u003eThis muffler is built around a straight through internal design that minimizes restriction and supports improved exhaust flow. The 4-inch inlet and outlet provide consistent diameter throughout, helping reduce backpressure and maintain efficient gas movement. Furthermore, the louvered core is engineered to guide exhaust flow while still providing sound attenuation, creating a balance between performance and noise control. The 30-inch body length offers additional surface area for managing exhaust tone without disrupting flow characteristics. Constructed from aluminized steel, the muffler provides corrosion resistance and durability for long term use in a variety of environments. What is more, the universal configuration allows it to be integrated into a wide range of custom exhaust systems with proper fabrication. 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Built with MagnaFlow’s signature straight-through design, this muffler helps your exhaust flow more freely while delivering the rich tone enthusiasts have trusted for years. The deep resonating sound gives your truck, SUV, or muscle car a more aggressive character every time you hit the throttle, yet it still maintains a smooth refined note during normal driving. Additionally, the universal reversible design gives fabricators and installers more flexibility when fitting custom exhaust systems where space can sometimes be tight. The satin stainless steel finish also gives the muffler a clean high-quality appearance that looks right at home on a professionally built setup. MagnaFlow engineered this muffler for drivers who want performance gains and a better exhaust note without sacrificing durability or everyday drivability. Once installed, it adds the kind of sound that makes every startup and acceleration feel far more rewarding.\u003c\/p\u003e\n\u003ch4\u003eEngineered For Flow Sound And Long Term Durability\u003c\/h4\u003e\n\u003cp\u003eThe MagnaFlow 12773 features a 7-inch round body design with a straight-through perforated stainless steel core that is specifically engineered to improve exhaust flow dynamics and evacuation efficiency. By reducing restriction compared to chambered muffler designs, this architecture helps support improved engine performance while maintaining exhaust velocity throughout the system. Internally, the perforated core is wrapped with stainless steel mesh and two-stage acoustic fiber packing to create MagnaFlow’s well-known deep and smooth exhaust tone. What's more, the entire muffler is constructed from corrosion resistant stainless steel to withstand moisture, road debris, and long-term heat exposure. The reversible 4-inch inlet and outlet configuration allows more flexibility during custom exhaust fabrication, making it easier to adapt the muffler to different layouts and vehicle applications. MagnaFlow also manufactures this muffler using CNC robotic precision welding techniques to ensure consistent quality and durability. 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