PPE High Flow Exhaust Manifolds With Up Pipes For 2004.5-2005 GM LLY Duramax 2001-2022 GMC Sierra 3500 this core has a much

this core has a much greater resistance to the outside elements

This converter is still very capable of towing heavy loads

Our stage 3 transmission comes with Billet input shaft and Low/Reverse Hub

In the LB7 transmission the TransGo A1-LU-BST valve allows the amount of cut-back to be controlled so that main line stays at up to 190 PSI

The Water cooling feature is there simply as an option

PPE High Flow Exhaust Manifolds With Up Pipes For 2004.5-2005 GM LLY Duramax 2001-2022 GMC Sierra 3500 this core has a muchPPEs Manifolds and Up Pipes are designed to maximize power and flow characteristics. The Up Pipe bellows are internally sleeved, made from aircraft grade 304 stainless steel and designed with an increased inner diameter for higher flow. The entire Manifold and Up Pipe exhaust system is designed to lower exhaust gas temperatures (EGTs) and accelerate turbo spool up while increasing power, fuel economy and maintaining reliability. Kit comes complete