2001-2010 GM 6.6L Duramax w/ Allison 1000-2000 Transmission Pressure Calibration Kit CatchCan|Tuning Systems|Performance Electronics|Performance 2012-2023 6

2012-2023 6

Excess oil on the crankshaft can cut horsepower

67mm Turbine Non-Whistle Option

this intake elbow and CAC pipe is the longest radius from the intake manifold on the market

5L EcoBoost V6

2001-2010 GM 6.6L Duramax w/ Allison 1000-2000 Transmission Pressure Calibration Kit CatchCan|Tuning Systems|Performance Electronics|Performance 2012-2023 6This kit serves as a great upgrade when building a 5 or 6 speed Allison 1000 transmission. This kit is recommended for trucks hauling heavy loads and making high horsepower. The increase in line pressure improves your clutches' holding ability and the calibration springs will tighten up shifts.