2017-2023 GM Duramax L5P - Down-pipe Back Race Exhaust System

2017-2023 Chevrolet Silverado and GMC Sierra 2500/3500 HD 6.6L
Duramax L5P pickup trucks.

Will not fit Cab & Chassis trucks.

You can choose between 4-inch and 5-inch exhausts based on your specific vehicle needs. Both options provide excellent performance, but the size difference can cater to different application requirements.

Key Product Features:

• Durable stainless steel piping available in 4" or 5" for maximum longevity.
• Downpipe-Back Race Exhaust design ensures optimal performance.
• OE-style hangers for easy and secure installation.
• Enhanced performance: Experience a noticeable boost in power with each drive.
• Decreased EGTs: Lower your Exhaust Gas Temperatures, ensuring a healthier engine.
• Optimized exhaust flow: Boost efficiency and performance.
• Improved breathing: Help your engine breathe easier, further increasing power output.
• No bungs: Ensures smoother, unobstructed exhaust flow.
• Fuel efficiency: Increase in fuel efficiency translates to savings at the pump.
• Optional muffler: Choose to add a muffler for a quieter and more refined exhaust note.
• Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Please note that, unless specified differently on the product page, our parts do not include installation instructions. Our components are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.