2004.5-2005 GM 6.6L Duramax High-Flow Exhaust Manifold and Up-Pipe Kit Finish:Black Ceramic Coating 4 times larger (140% increase)

4 times larger (140% increase) cooler core and highly efficient cooling fins in both air and coolant passages

The factory 12mm oil pan drain plug does not have a magnet

* Designed for high-performance applications and usually used in conjunction with the Duramax Dry Sump Pan (114051000)

it frees up valuable engine bay space and creates a cleaner

2004.5-2005 GM 6.6L Duramax High-Flow Exhaust Manifold and Up-Pipe Kit Finish:Black Ceramic Coating 4 times larger (140% increase)High Flow Exhaust Manifold and Up Pipe Kit for 2004. 5 2005 (LLY) GM 6. 6L Duramax PPE High Flow Manifold is made from high sil moly cast iron. The PPE Up Pipe bellows are internally sleeved, made from aircraft grade 304 stainless steel, and designed with increased inner diameter for higher flow. The entire Manifold and Up Pipe exhaust system are designed to maximize power and flow characteristics, lower exhaust gas temperatures (EGTs) and accelerate