Pay in 4 interest-free payments of $37.49 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
all require connection to your OBDII port
The GDP Cat & DPF Race Pipes deliver stronger performance
Single Tune - Level 1 (Limited 4-Week Support Package)
and steadier torque delivery
This device is designed for straightforward installation
GDP 3.5" Downpipe (2017-2023 Duramax L5P) c_fuel all require connection to yourGDP 3. 5" Downpipe (2017 2023 Duramax L5P) Maximize Exhaust Flow. Lower EGTs. Improve Turbo Response. The GDP 3. 5" Downpipe, engineered for the 2017 2023 Duramax L5P, is built to reduce backpressure, improve turbo spool, and lower exhaust gas temperatures (EGTs). Designed for serious truck owners who need better airflow, stronger pulling power, and improved efficiency, this upgrade is the direct fit solution for increased durability and performance.
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US$ 54.95
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