Upgrade the L5P to achieve higher flow by bolting on PPE OEM-Length Replacement High-Flow Up-Pipes.
The Length Up-Pipes are manufactured from stainless steel. These new Up-Pipes include the superior internally-sleeved bellows, also manufactured from stainless steel.
This system is engineered to take the abuse of high temperatures and high pressures, while promoting increased exhaust flow and lower EGTs.
For 2017-2021 Chevy Silverado 2500HD/3500HD 6.6L L5P Duramax Diesel
For 2017-2021 GMC Sierra 2500HD/3500HD 6.6L L5P Duramax Diesel
