Duramax 2001-2016 Up-Pipe w/ Gaskets For LB7 LLY LBZ LMM LML 6.6L It replaces your existing downpipe

It replaces your existing downpipe for a seamless upgrade

By removing the factory downpipe and replacing it with a high flowing unit you are allowing the turbo to more efficiently move gases away from the turbine which creates more power

2007 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6

2013-2018 Ram 5500 6

Duramax 2001-2016 Up-Pipe w/ Gaskets For LB7 LLY LBZ LMM LML 6.6L It replaces your existing downpipeFitment For 2001 2016 GM 6. 6L Duramax Diesel Duramax Description The downpipe on your turbocharged vehicle is directing the exhaust gases out of the turbine housing into the exhaust system. An aftermarket downpipe will typically be larger in diameter and either uses a high flowing catalytic converter or remove the catalytic converter altogether. By removing the factory downpipe and replacing it with a high flowing unit you are allowing the turbo to