2004.5-2005 GM 6.6L Duramax High-Flow Exhaust Manifold and Up-Pipe Kit Finish:Black Ceramic Coating * Designed for high-performance applications

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

That’s why your 3

Same bolt pack that comes in the PPE High-Flow Manifolds and Up-Pipes Kits

Note: If using a copper washer SKU 114052002 on the drain plug

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

2004.5-2005 GM 6.6L Duramax High-Flow Exhaust Manifold and Up-Pipe Kit Finish:Black Ceramic Coating * Designed for high-performance applicationsHigh 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