2001-2016 Duramax Exhaust Manifold Kit (1041459)

Fits

Ditch the restrictive, crack-prone factory manifolds and let your 6.6L Duramax breathe with this heavy-duty BD Diesel manifold kit. Engineered with 65% thicker walls and a high-flow design, these manifolds eliminate the notorious driver-side restriction while providing the thermal durability needed for heavy towing and high-performance applications.

Part Number: 1041459

• Thicker High-Silicon Ductile Iron
• Eliminates Driver-Side Flow Restriction
• 5% Increase in Airflow
• Predrilled Driver-Side Pyrometer Port
• Corrosion-Resistant High-Temp Paint
• Resists Warping and Cracking

• Driver Side Exhaust Manifold
• Passenger Side Exhaust Manifold
• Exhaust Manifold Gaskets
• Installation Fasteners

• Not for sale or use on licensed California vehicles.
• Replaces OEM Part # 12624683 (Right Side) and 12637647 (Left Side).
• 5 Hour install time

Click Here For Instructions

Parts

• 36-Months 
• 75,000 Miles