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0L Duramax LM2 is a precision-built interface for the factory CAN bus
Single Tune - Level 1 (Limited 4-Week Support Package)
all require connection to your OBDII port
This device is designed for straightforward installation
GDP 3.5" Downpipe (2017-2023 Duramax L5P) c_fuel 0L Duramax LM2 is aGDP 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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