Fits: 2002 thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax Diesel
*California Emissions Only*
PPE’s 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 with two PPE Manifolds, two PPE Up-Pipes, a PPE Down Pipe Support Bracket, PPE 301 Stainless Steel Manifold Gaskets and Up-Pipe Gaskets.
Features:
- Cast Hi-Sil Moly iron high-flow manifold construction
- Significant reduction in exhaust back pressure
- Free-flowing stainless steel inner liner bellows
- Stainless steel 11-gauge .120-inch wall, with a 2" outside diameter Up-Pipes
- Built in bosses, pre-drilled and tapped 1/8" NPT for EGT gauge
- This kit works correctly with EGR and all emissions intact
- 50 States Emissions Legal, E.O No. D-701-19