Description: GM 12637647 is an update for the driver side exhaust manifold for your 2001-2010 GM 6.6L Duramax truck. It features a full bore, unlike the factory exhaust manifolds that were restricted, and will...More Details »
Description: For Off Road Competition Use Only.
-3 1/2" Down Pipe
-Heat Wrap and Clamps
-(3) Pre-built Heater Hose Assemblies with quick connect fittings
-Y-Bridge Port Block Off Plate...More Details »
Description: Genuine GM & AC-Delco replacement parts are the only automotive replacement part that you should consider installing on your vehicle. OEM GM quality is unmatched in the automotive replacement world...More Details »
Description: Sometimes you just have to look good, and your engine is no different. With these natural PPE Left and Right Side Cylinder Head Bank Manifolds, your diesel will take on an air of sophistication....More Details »