PPE HIGH-FLOW RACE EXHAUST MANIFOLDS WITH UP-PIPES 2001-2004 GM (FEDERAL EMISSIONS) (FOR COMPOUND TURBOS)

PPEs 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:

• Compound Turbo (Round Pipe) Race Flow Exhaust Manifold with Up-Pipes
• 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 inch NPT for EGT gauge sensor
• Sold As A Kit

Applications:

• 2001-2016 GM 6.6L Duramax Engines (116111100)

Note:

• Kit comes complete with two PPE Manifolds, two PPE Up-Pipes, PPE Stainless Steel Manifold Gaskets and Up-Pipe Gaskets
• Kodiak requires small frame modification for clearance
• LMM/LML requires heater hose modification