2001-2004 (FED / 2001 CA) GM 6.6L Duramax High-Flow Exhaust Manifold and Up-Pipe Kit

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