BD Diesel Performance Exhaust Manifold Kit for Chevrolet Silverado/GMC Sierra 2500HD and 3500HD 6.6L Duramax 2001-2016

PN. 1041459

BD's upgraded Duramax exhaust manifolds remove the flow restriction of the 2001-2006 driver's side manifold and move exhaust gas efficiently to the turbo. Castings are 65 percent thicker and made from high-silicon ductile iron to resist warping and cracking.

Features and Benefits:

• Cast iron construction with 65% thicker walls for increased toughness and resistance to cracking
• Predrilled pyrometer port on driver's side manifold for easy sensor install
• Efficiently transfer exhaust gases to the turbocharger
• Sold as a complete kit with gaskets and fasteners for easy install