2017-2023 GM HD E41 ECM Upgrade Kit (HPTECM-00-L5P-K) marker-light Shocks Included: Yes

Shocks Included: Yes

Part Number: BAF037

lower tubular trailing arms built from 1

Full floating traction bar design that prevents binding throughout full wheel travel and suspension articulation

providing lighting you cannot outride

2017-2023 GM HD E41 ECM Upgrade Kit (HPTECM-00-L5P-K) marker-light Shocks Included: YesThis GM E41 ECM upgrade kit gives you a way to unlock the engine control module found in 2017 to 2023 Chevrolet Silverado and GMC Sierra 2500 3500 6. 6L Duramax trucks for full tuning and diagnostic access using HP Tuners VCM Suite software. It allows you to upgrade the ECM in the vehicle in about 20 minutes without removing it, enabling read, write, and special function support with compatible HP Tuners interfaces. Features Enables upgrade of the GM