01-04 6.6L Chevy GMC Duramax Diesel 304SS Exhaust Manifolds & Up Pipes High Flow

Features:

• Significant reduction in exhaust back pressures
• High Flow Thick Wall 304SS Manifold Construction
• Providing up to a 55% increase in air flow over stock manifolds

Includes:

• Driver and Passenger Side HD 304SS Manifolds
• Driver and Passenger Side Gaskets
• Up Pipe Gaskets
• Manifold Gaskets
• Manifold to Up Pipe Bolts & Washers

Fitment:

• 2001-2016 GMC Sierra 2500/3500 6.6L Duramax Diesel
• 2001-2016 Chevrolet Silverado 2500/3500 6.6L Duramax Diesel