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Downpipe Back Race Exhaust for 2017 to 2023 GM Duramax L5P 6.6L
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)

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