Wehrli Custom Fabrication 2001-2016 Duramax Billet Exhaust Manifolds - WCF100363
- 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. Up pipe fastener kits sold separately as part WCF100240.
- 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.
Description
WCFab’s 2001-2016 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 (up pipe fastener kits sold separately). Finished in Black Ceramic Coat rated for 1800ºF.
No tuning required.
Compatible with LB7, LLY, LBZ, LMM, and LML engines.
Replaces the following GM Part Numbers: 12637647, 12624683
Details
- WCF100363
- WCF100363
- Wehrli Custom Fabrication
- Manifolds & Up Pipes
- 2016 Chevrolet Express 2500
- 2016 Chevrolet Express 3500
- 2016 Chevrolet Silverado 2500 HD
- 2016 Chevrolet Silverado 3500 HD
- 2016 GMC Sierra 2500 HD
- 2016 GMC Sierra 3500 HD
- 2015 Chevrolet Express 2500
- 2015 Chevrolet Express 3500
- 2015 Chevrolet Silverado 2500 HD
- 2015 Chevrolet Silverado 3500 HD
- 2015 GMC Sierra 2500 HD
- 2015 GMC Sierra 3500 HD
- 2014 Chevrolet Express 2500
- 2014 Chevrolet Express 3500
- 2014 Chevrolet Silverado 2500 HD
- 2014 Chevrolet Silverado 3500 HD
- 2014 GMC Sierra 2500 HD
- 2014 GMC Sierra 3500 HD
- 2013 Chevrolet Express 2500
- 2013 Chevrolet Express 3500
- 2013 Chevrolet Silverado 2500 HD
- 2013 Chevrolet Silverado 3500 HD
- 2013 GMC Sierra 2500 HD
- 2013 GMC Sierra 3500 HD
- 2012 Chevrolet Express 2500
- 2012 Chevrolet Express 3500
- 2012 Chevrolet Silverado 2500 HD
- 2012 Chevrolet Silverado 3500 HD
- 2012 GMC Sierra 2500 HD
- 2012 GMC Sierra 3500 HD
- 2011 Chevrolet Express 2500
- 2011 Chevrolet Express 3500
- 2011 Chevrolet Silverado 2500 HD
- 2011 Chevrolet Silverado 3500 HD
- 2011 GMC Sierra 2500 HD
- 2011 GMC Sierra 3500 HD
- 2010 Chevrolet Express 2500
- 2010 Chevrolet Express 3500
- 2010 Chevrolet Silverado 2500 HD
- 2010 Chevrolet Silverado 3500 HD
- 2010 GMC Sierra 2500 HD
- 2010 GMC Sierra 3500 HD
- 2009 Chevrolet Express 2500
- 2009 Chevrolet Express 3500
- 2009 Chevrolet Silverado 2500 HD
- 2009 Chevrolet Silverado 3500 HD
- 2009 GMC Sierra 2500 HD
- 2009 GMC Sierra 3500 HD
- 2008 Chevrolet Express 2500
- 2008 Chevrolet Express 3500
- 2008 Chevrolet Silverado 2500 HD
- 2008 Chevrolet Silverado 3500 HD
- 2008 GMC Sierra 2500 HD
- 2008 GMC Sierra 3500 HD
- 2007 Chevrolet Express 2500
- 2007 Chevrolet Express 3500
- 2007 Chevrolet Silverado 2500 HD
- 2007 Chevrolet Silverado 2500 HD Classic
- 2007 Chevrolet Silverado 3500 Classic
- 2007 Chevrolet Silverado 3500 HD
- 2007 GMC Sierra 2500 HD
- 2007 GMC Sierra 2500 HD Classic
- 2007 GMC Sierra 3500 Classic
- 2007 GMC Sierra 3500 HD
- 2006 Chevrolet Express 2500
- 2006 Chevrolet Express 3500
- 2006 Chevrolet Silverado 2500 HD
- 2006 Chevrolet Silverado 3500
- 2006 GMC Sierra 2500 HD
- 2006 GMC Sierra 3500
- 2005 Chevrolet Silverado 2500 HD
- 2005 Chevrolet Silverado 3500
- 2005 GMC Sierra 2500 HD
- 2005 GMC Sierra 3500
- 2004 Chevrolet Silverado 2500 HD
- 2004 Chevrolet Silverado 3500
- 2004 GMC Sierra 2500 HD
- 2004 GMC Sierra 3500
- 2003 Chevrolet Silverado 2500 HD
- 2003 Chevrolet Silverado 3500
- 2003 GMC Sierra 2500 HD
- 2003 GMC Sierra 3500
- 2002 Chevrolet Silverado 2500 HD
- 2002 Chevrolet Silverado 3500
- 2002 GMC Sierra 2500 HD
- 2002 GMC Sierra 3500
- 2001 Chevrolet Silverado 2500 HD
- 2001 Chevrolet Silverado 3500
- 2001 GMC Sierra 2500 HD
- 2001 GMC Sierra 3500
- In Stock. Ships in 3-5 business days.
- New
Categories
- Engine & Performance - Exhaust - Exhaust Manifolds
- Exhaust Manifolds
Shipping Information
- Item Requires Shipping
- 26.0 lbs.
- W8.0000” x H8.0000” x L20.0000”
- Free Shipping!
- This item ships in its own box.
- This Product cannot ship to the state of California
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