PPE High Flow Exhaust Manifolds & Up Pipes For 02-04 LB7 Duramax (CA Emissions) 1998-2010 Ram 3500 Built-in Module Bypass (for diagnostics

Built-in Module Bypass (for diagnostics or emissions testing) and No-Start

During regular oil changes

and one for the DRL

developed this conversion as a permanent fix for the CP4

For trucks with manual transmissions only

PPE High Flow Exhaust Manifolds & Up Pipes For 02-04 LB7 Duramax (CA Emissions) 1998-2010 Ram 3500 Built-in Module Bypass (for diagnostics50 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