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40 Cal 4" Cat & DPF Race Pipe for 2017 to 2023 GM Duramax L5P 6.6L

 

This 4-inch stainless steel Cat & DPF Race Pipe replaces the factory catalytic converter and DPF filter, enhancing performance. The design includes OE-style hangers and a straight pipe for easy installation and maximum airflow. This upgrade is ideal for off-road and competition use, providing significant improvements in exhaust efficiency.

 

*This kit will only fit Duramax L5P models equipped with the OEM-style 4-bolt flange coming off of the turbo direct pipe.

 

*Will not fit 3500/4500/5500 Cab & Chassis trucks.

 

*Off-road use only. Custom tuning is required*

GM Duramax L5P 6.6L - 40 Cal 4" Cat & DPF Race Pipe (2017-2023)

SKU: DPSS-GM-17
    • 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.
       
    • This kit will only fit Duramax L5P models equipped with the OEM-style 4-bolt flange coming off of the turbo direct pipe.
       
    • Will not fit 3500/4500/5500 Cab & Chassis trucks.
    • 4" 409 stainless steel piping
    • OEM Style 4-Bolt Flange
    • OE style hangers for easy installation
    • No Muffler - Straight Pipe
    • Maximum flow for competition applications
    • No bungs
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