Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit carbon fiber hood fresh air for maximum performance

fresh air for maximum performance when you need it most

Additional systems are available with different options for sound level

Honda 90-93 Accord

this is a simple yet effective upgrade

Sentry CT Tonneau Cover - Black - 2004-2012 Chevy Colorado/GMC Canyon 5' Bed

Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit carbon fiber hood fresh air for maximum performanceManufacturer Part # : MMTC L5P TBVFF Market Description The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powerplant. This torque generates a lot of heat, and if that heat isn't dissipated, it can destroy your transmission. The transmission cooler does a good job of keeping trans fluid temperatures in check, but only if the fluid can reach it. The stock