PPE High Flow Exhaust Manifolds & Up Pipes For 11-16 LML Duramax 2013-2023-6-7l-24v-cummins A rebound leaf was added

A rebound leaf was added to reduce the axle wrap of the Raptor

this updated 55027/55026 combination delivers enhanced durability and precision fitment for engine rebuilds or head-gasket repairs

The Mishimoto Duramax intercooler features a core volume significantly greater than the factory cooler

FOX performance shocks provide improved damping and control

+10 HP / +21 lbs

PPE High Flow Exhaust Manifolds & Up Pipes For 11-16 LML Duramax 2013-2023-6-7l-24v-cummins A rebound leaf was added50 States Emissions Legal (E. O. D 701 19) PPEs 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