A Downpipe Back Race Exhaust System for Duramax L5P engines. This top-notch exhaust system starts right at the downpipe, permitting the removal of the catalytic converter and DPF filter from the exhaust system, enhancing the overall performance of your vehicle.
Available in 40 Cal 4" and 50 Cal 5", with or without a muffler.
*This product will not fit Cab & Chassis trucks.
*Off-road use only. Custom tuning is required*
GM Duramax L5P 6.6L - Downpipe Back Race Exhaust (2017-2023)
- 2017, 2018, 2019, 2020, 2021, 2022, & 2023 GMC Sierra 2500 / 3500 with a 6.6L Duramax L5P engine.
- 2017, 2018, 2019, 2020, 2021, 2022, & 2023 Chevrolet Silverado 2500 / 3500 with a 6.6L Duramax L5P engine.
- Does not fit Cab & Chassis models.
- 2017, 2018, 2019, 2020, 2021, 2022, & 2023 GMC Sierra 2500 / 3500 with a 6.6L Duramax L5P engine.
- Available in 40 Cal 4" and 50 Cal 5", with or without a muffler
- Made from durable 409 stainless steel piping
- Downpipe back exhaust system designed for top-tier performance
- OEM style 4-bolt flange
- OE-style hangers included for an easy installation process
- Enhanced performance, flow, and breathing
- Decreased EGTs for a healthier engine
- No bungs for a more efficient, unobstructed exhaust flow
- Increase in fuel efficiency, resulting in savings at the pump
- Does not include a muffler. Add a muffler for a quieter, more refined exhaust note.
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