PPE High Flow Exhaust Manifolds With Up Pipes For 2004.5-2005 GM LLY Duramax 2001-2022 GMC Sierra 3500 Reference build code DSK-P or

Reference build code DSK-P or check diff cover for cooling lines

This converter is still very capable of towing heavy loads

1999-2008 GM Suburban 5

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

PPE High Flow Exhaust Manifolds With Up Pipes For 2004.5-2005 GM LLY Duramax 2001-2022 GMC Sierra 3500 Reference build code DSK-P orPPEs 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