4" inch Black Coated Aluminized Steel Single Side Exit Exhaust Kit

Features:

• Heavy Duty Aluminized Steel with Fully Sealed Seams for Rust Resistance
• Mild Sound
• 4 Inch Mandrel Bent Tubing for Improved Flow
• Lower EGT's
• Utilized OEM Hanger Locations
• 5" Inch OD Tip Included

Built to Perform

For over 15 years, MBRP has set the standard for performance exhaust systems in the industry. This is especially evident in their 4in Black-Coated Aluminized Steel Single Side Exit Exhaust Kit, designed specifically for 2020-2025 GM 6.6L Duramax engines. This kit is engineered to maximize exhaust airflow. The result is a more effecient Duramax that breathes easier and performs at lower EGTs, effectively giving you more torque and horsepower while extending the life of your engine. And let's not forget a fan-favorite feature: the sound profile. This exhaust system boasts MBRP's signature Tour profile, giving your GM truck that head-turning growl without the annoying volume.

Dyno Proven

As a leader in the aftermarket exhaust industry, each MBRP performance exhaust system has undergone countless hours on our in-house Mustang 1100 AWD-SE Chassis Dynamometer. This means hundreds of tweaks were made to ensure you get the absolute most out of your purchase. For further peace of mind, MBRP backs this kit by their 1-Year Warranty. If any issues arise during this timeframe, you will have the professional support you need to get you back on the road confidently. Furthermore, installation is a breeze. This kit is designed to bolt on to your GM truck for a seamless and no-hassle project that can be completed in 1.5 to 2 hours. Everything is a direct fit to the OEM hangers, and all the clamps and parts required are included.

Fitment: