Fits 20 23 Gm Duramax; Evoht2 With Ecm Tcm Unlock Tool 26401 header adapter pipe 8 V8 2004 2013 Distribute Balanced N2O Amounts 8 V8 2004 2013 Chevrolet Silverado 1500 LT 294 4 Brand Earls Compatible Hose Ends Auto Crimp Compatible Hose Ends Auto Fit Compatible Hose Ends Econ O Fit Compatible Hose Ends Mr Gasket Swivel Compatible Hose Ends Sniper Swivel Compatible Hose Ends Swivel Seal Emission Code 5 Fluid Type Automatic Transmission Fluid Fluid Type Coolant Fluid Type Oil Fluid Type Race Gas Fluid Type Rating Automatic Transmission Fluid 5 out of 5 Rating Fluid Type Rating Coolant 5 out of 5 Rating Fluid Type Rating Diesel 2 out of 5 Rating Fluid Type Rating E85 2 out of 5 Rating Fluid Type Rating Methanol Alcohol 1 out of 5 Rating Fluid Type Rating Oil 5 out of 5 Rating Fluid Type Rating Pump Gas 2 out of 5 Rating Fluid Type Rating Race Gas 3 out of 5 Rating Fluid Type Rating Vacuum 2 out of 5 Rating Hose Family Pro Lite 350 Hose Length 6 Feet Hose Outer Material BLACK NYLON Hose Size 8 AN Inside Diameter The EvoHT2 offers massive power gains (as much as 150hp 350tq to the tires) with improved throttle response A complete plug and play flash tuning solution for 2020 2022 GM diesel owners