{"title":"2020-2026 GM 2500HD\/3500HD 6.6L L5P Duramax Audio","description":"\u003cdiv\u003e\n\u003cinput type=\"checkbox\" class=\"read-more-state\" id=\"post-1\"\u003e\n\u003cp class=\"read-more-wrap\"\u003eUpgrade your driving experience with a premium audio system for your 2020-2026 GM 2500HD\/3500HD 6.6L Duramax at Alligator Performance! From high-quality speakers and subwoofers to advanced head units and amplifiers, these premium audio upgrades will allow you to enjoy crystal clear audio and deep bass each time you get behind the wheel. Be sure to also check out our selection of \u003ca href=\"2020-2022-gm-duramax-66l-l5p-floor-mats\" title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Floor Mats\" rel=\"noopener\" target=\"_blank\"\u003eFloor Mats\u003c\/a\u003e and \u003ca href=\"2020-2022-gm-duramax-66l-l5p-interior-storage\" title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Interior Storage\" rel=\"noopener\" target=\"_blank\"\u003eInterior Storage\u003c\/a\u003e to fully optimize your GM 2500HD\/3500HD's cabin.\u003cspan class=\"read-more-target\"\u003e \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 for=\"post-1\" class=\"read-more-trigger\"\u003e\u003c\/label\u003e\n\u003c\/div\u003e","products":[{"product_id":"sinister-diesel-sd-alt-wire-400amp-wiring-upgrade-kit","title":"Sinister SD-ALT-WIRE High Amp (400a) Wiring Upgrade Kit | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports alternators up to 400 amps\u003c\/li\u003e\n\u003cli\u003eUpgrades charge, ground, and chassis cables\u003c\/li\u003e\n\u003cli\u003ePure copper 5285-strand cable construction\u003c\/li\u003e\n\u003cli\u003eZero gauge ultra-flexible OFC cable\u003c\/li\u003e\n\u003cli\u003eIncludes 4 feet of positive and ground cable\u003c\/li\u003e\n\u003cli\u003eComes with 400 amp ANL fuse and holder\u003c\/li\u003e\n\u003cli\u003eIncludes heavy-duty crimpable cable ends\u003c\/li\u003e\n\u003cli\u003eImproves electrical flow and charging efficiency\u003c\/li\u003e\n\u003cli\u003eIdeal for stock or high-output alternators\u003c\/li\u003e\n\u003cli\u003eDurable hyperflex frosted cable jacket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUpgrade your Cables with Sinister Diesel\u003c\/h4\u003e\n\u003cp\u003eIf you’re upgrading to a high-output alternator, or just want to get the most out of your factory setup, the Sinister 400 Amp Wiring Upgrade Kit is a smart move. Factory wiring often struggles to keep up with increased demand, especially if you're running aftermarket lighting, audio systems, or other high-draw accessories. This kit gives your charging system the heavy-duty support it needs to stay efficient and reliable. It comes with everything you need to upgrade your alternator charge cable, alternator ground, and chassis ground. The cables are made from ultra-flexible, 5285-strand pure copper, wrapped in a durable frosted jacket that can handle serious current without breaking a sweat. Each cable is zero gauge, making it perfect for alternators pushing up to 400 amps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(2) 4 feet of Black OFC Zero gauge ultra-flexible ground cable\u003c\/li\u003e\n\u003cli\u003e4 feet of Blue OFC Zero gauge ultra-flexible positive cable \u003c\/li\u003e\n\u003cli\u003eANL Fuse holder\u003c\/li\u003e\n\u003cli\u003e400 amp ANL fuse \u003c\/li\u003e\n\u003cli\u003e(3) heavy duty cable ends (That will need to be crimped)  with 3\/8\" diameter hole\u003c\/li\u003e\n\u003cli\u003e(6) 2\" heat shrink sealing tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit for most high-amp alternator setups\u003c\/li\u003e\n\u003cli\u003eSupports alternators producing up to 400 amps\u003c\/li\u003e\n\u003cli\u003eIdeal for vehicles with aftermarket accessories\u003c\/li\u003e\n\u003cli\u003eImproves alternator output and charging consistency\u003c\/li\u003e\n\u003cli\u003eIncludes upgraded charge, ground, and chassis cables\u003c\/li\u003e\n\u003cli\u003eKit uses 0-gauge ultra-flexible OFC copper cables\u003c\/li\u003e\n\u003cli\u003eComes with ANL fuse holder and 400 amp fuse\u003c\/li\u003e\n\u003cli\u003eFrosted jacket resists heat, wear, and corrosion\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cable ends must be crimped during install\u003c\/li\u003e\n\u003cli\u003eCrimping tool is required and not included\u003c\/li\u003e\n\u003cli\u003eUseful upgrade for both factory and custom builds\u003c\/li\u003e\n\u003cli\u003eHelps reduce voltage drop under high electrical load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sinister Diesel","offers":[{"title":"Default Title","offer_id":49527211983132,"sku":"SINSDALTWIRE","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/SD-ALT-WIRE_1.jpg?v=1722361521"},{"product_id":"11hs8-kicker-8-hideaway-subwoofer","title":"Kicker 11HS8 8\" inch Hideaway Subwoofer | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in 150-watt RMS amplifier\u003c\/li\u003e\n\u003cli\u003eUltra-slim 3-1\/8\" tall enclosure\u003c\/li\u003e\n\u003cli\u003eFits under or behind most vehicle seats\u003c\/li\u003e\n\u003cli\u003e8\" subwoofer delivers clean, deep bass\u003c\/li\u003e\n\u003cli\u003eRemote bass control included\u003c\/li\u003e\n\u003cli\u003eQuick-connect Molex harness for easy install\u003c\/li\u003e\n\u003cli\u003eLow- and high-level input compatibility\u003c\/li\u003e\n\u003cli\u003eKickEQ® bass boost up to +6dB\u003c\/li\u003e\n\u003cli\u003eAdjustable 12dB\/24dB crossover settings\u003c\/li\u003e\n\u003cli\u003eFrequency response from 25Hz to 120Hz\u003c\/li\u003e\n\u003cli\u003ePhase switch for flexible system tuning\u003c\/li\u003e\n\u003cli\u003eMounting straps included for secure fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eComplete Powered Subwoofer with Low-Profile Enclosure\u003c\/h4\u003e\n\u003cp\u003eAdding a powerful amplified subwoofer from Kicker to your car or truck is all well and good. The real problems start when you need to find room for all your aftermarket hardware so that it's not jutting out in odd places and cramping your style. That's where Kicker's Hideaway Subwoofer comes in. This awesome system is built around an 8\" Kicker Subwoofer that's housed in a low-profile enclosure and powered by a 150W amplifier. The enclosure is only 3-1\/8\" tall, allowing you to install this awesome subwoofer just about anywhere in your vehicle. The entire system easily fits under front seats, behind rear seats, and just about anywhere else you have handy with minimal to no modifications. The Hideaway system may not be the most powerful subwoofer on the market, but it gives your vehicle a smooth bass rumble while fitting practically anywhere.\u003c\/p\u003e\n\u003ch4\u003eEasy Installation and Straightforward Wiring\u003c\/h4\u003e\n\u003cp\u003eThe Kicker Hideaway 8\" subwoofer is extremely easy to install and wire in to just about any sound system thanks to its compact, modular design. The Hideaway comes with nylon straps with Velcro fasteners for mounting on floorboards or behind rear seats. The system features a 10-pin Molex® quick connect harness that allows for easy wiring and quick install and removal from your vehicle. The Hideaway kit has both low-level and high-level inputs that allow it to be used with a variety of OEM and aftermarket head units. The subwoofer has a 25 to 120Hz frequency response and comes with a remote for easy bass level adjustments from the driver's seat. The Hideaway system has Kicker's KickEQ® bass boost, a 0\/180 phase reversal, and a 12db\/24db crossover to get you the most versatility and compatibility with your audio system of choice.\u003cspan style=\"font-weight: bold;\"\u003e\u003c\/span\u003e\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\u003eFits under most vehicle seats with no mods\u003c\/li\u003e\n\u003cli\u003eIdeal for compact cars, trucks, and SUVs\u003c\/li\u003e\n\u003cli\u003eGreat option when space is extremely limited\u003c\/li\u003e\n\u003cli\u003eDelivers clean bass without bulky enclosures\u003c\/li\u003e\n\u003cli\u003eNot designed for competition-level volume\u003c\/li\u003e\n\u003cli\u003eQuick-connect Molex plug simplifies wiring\u003c\/li\u003e\n\u003cli\u003eCompatible with factory and aftermarket stereos\u003c\/li\u003e\n\u003cli\u003eRemote bass knob included for easy tuning\u003c\/li\u003e\n\u003cli\u003eIncludes straps for secure and vibration-free mounting\u003c\/li\u003e\n\u003cli\u003eBoost, crossover, and phase controls for better sound\u003c\/li\u003e\n\u003cli\u003eMay require line-out converter for some OEM systems\u003c\/li\u003e\n\u003cli\u003eBest used as a bass supplement, not full replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Kicker Audio","offers":[{"title":"Default Title","offer_id":49527334076700,"sku":"KKR11HS8","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/KKR11HS8_02.jpg?v=1722345398"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/collections\/GM_Duramax_Audio_Upgrades_Thumb_1.jpg?v=1728572311","url":"https:\/\/www.alligatorperformance.com\/collections\/2020-2026-gm-duramax-66l-l5p-audio-upgrades.oembed","provider":"Alligator Performance","version":"1.0","type":"link"}