PPE 116120000 REPLACEMENT UP-PIPES
The PPE 116120000 Replacement Up-Pipes for your 2001-2004 GM 6.6L Duramax increase flow, and reliability. Even a stock Duramax can produce high temperatures and pressures that cause OEM up pipes eventually fail from constant temperature and pressure fluctuation.
XDP REPLACEMENT UP-PIPES WITH GASKETS XD264
Increase flow in your 2001-2016 GM 6.6L Duramax with the XDP Replacement Up-Pipes with Gaskets XD264. Built for performance and durability, XDP's up-pipes are constructed from 2” stainless steel mandrel-bent tubing, 1/2” thick flanges to eliminate warping, and heavy-duty bellows for a long service life.
GM 12637647 UPDATED DRIVER SIDE EXHAUST MANIFOLD
The GM 12637647 Updated Driver Side Exhaust Manifold for your 2001-2010 GM 6.6L Duramax features a "full bore" unlike the factory exhaust manifold that is "kinked or dented" for additional clearance.