PPE Manifolds with Up-Pipes LB7 Style

PLEASE NOTE: On 2004.5-2016 Model Duramaxs this kit will only fit with specific modifications, if you are unsure, please feel free to email us. PPE’s Manifold and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are high-flow, internally sleeved and aircraft grade 304 stainless steel with an increased inner diameter. The entire Manifold and Up-Pipe exhaust system is designed to lower exhaust gas temperatures, reduce turbo drive pressure, and accelerate turbo spool-up while increasing power, fuel economy and maintaining reliability. Features   Significant reduction in exhaust back-pressure Cast hi-sil moly iron high-flow manifold construction Up-Pipes have free-flowing stainless steel inner liner bellows Up-Pipes made from Stainless steel 11-gauge .120-inch wall, with a 2-inch outside diameter Built in bosses, pre-drilled and tapped 1/8” NPT for EGT gauge sensor