Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel

*Please call for availability*

WCFab’s Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs and increasing power and economy. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are designed to be paired with WCFab’s 2” Stainless High-Flow Up Pipes (sold separately) for optimized performance. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 1800ºF.

Features:

• Fully TIG Welded, CNC machined billet steel exhaust manifolds
  
• Finished in Black Ceramic Coat rated for 1800ºF
  
• Includes new gaskets for manifold to cylinder head and manifold to up pipe
  
• Includes ARP 12PT Fasteners and washers for installation to cylinder head. 
  
• 1/8 NPT ports (and optional plugs) included in driver and passenger side manifold for installation of EGT or drive pressure sensors
  
• No tuning required.

Includes:

• Manifolds
• Gaskets
• Manifold to Cylinder head hardware

Notes:

• Full compatibility with OEM style up pipes and are designed to be paired with WCFab’s 2” Stainless High-Flow Up Pipes
• This kit works correctly with EGR and all emissions controls present for the 2001-2016 LB7/LLY/LBZ/LMM/LML
  
• No Tuning required
• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA