Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo)

Replace the lightweight 16G, leak-prone Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGTs. Will work with ANY Turbo setup, single or compound, compatible with factory exhaust manifold only. Includes Up Pipe Gaskets. - - NOTE: This up pipe will ONLY fit with OEM exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). 2007.5-2010 LMM Requires Coolant Bypass/Relocation Fitting WCF100798 - - Compatible with LB7, LLY, LBZ, LMM, and LML Duramax - - Replaces the following GM Part Numbers: 98066019, 12637379, 12634564

This Part Fits:

Year	Make	Model	Submodel
2001-2005	Chevrolet	Silverado 2500 HD	Base
2015-2016	Chevrolet	Silverado 2500 HD	High Country
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2016	Chevrolet	Silverado 2500 HD	LT
2007-2016	Chevrolet	Silverado 2500 HD	LTZ
2004-2016	Chevrolet	Silverado 2500 HD	WT
2007	Chevrolet	Silverado 2500 HD Classic	LS
2007	Chevrolet	Silverado 2500 HD Classic	LT
2007	Chevrolet	Silverado 2500 HD Classic	WT
2001-2005	Chevrolet	Silverado 3500	Base
2001-2006	Chevrolet	Silverado 3500	LS
2001-2006	Chevrolet	Silverado 3500	LT
2004,2006	Chevrolet	Silverado 3500	WT
2007	Chevrolet	Silverado 3500 Classic	LS
2007	Chevrolet	Silverado 3500 Classic	LT
2007	Chevrolet	Silverado 3500 Classic	WT
2015-2016	Chevrolet	Silverado 3500 HD	High Country
2007-2016	Chevrolet	Silverado 3500 HD	LT
2007-2016	Chevrolet	Silverado 3500 HD	LTZ
2007-2016	Chevrolet	Silverado 3500 HD	WT
2002-2005,2015-2016	GMC	Sierra 2500 HD	Base
2011-2016	GMC	Sierra 2500 HD	Denali
2001-2002,2006	GMC	Sierra 2500 HD	SL
2001-2016	GMC	Sierra 2500 HD	SLE
2001-2016	GMC	Sierra 2500 HD	SLT
2003-2014	GMC	Sierra 2500 HD	WT
2007	GMC	Sierra 2500 HD Classic	SL
2007	GMC	Sierra 2500 HD Classic	SLE
2007	GMC	Sierra 2500 HD Classic	SLT
2007	GMC	Sierra 2500 HD Classic	WT
2002-2005	GMC	Sierra 3500	Base
2001-2002,2006	GMC	Sierra 3500	SL
2001-2006	GMC	Sierra 3500	SLE
2001-2006	GMC	Sierra 3500	SLT
2004-2006	GMC	Sierra 3500	WT
2007	GMC	Sierra 3500 Classic	SL
2007	GMC	Sierra 3500 Classic	SLE
2007	GMC	Sierra 3500 Classic	SLT
2007	GMC	Sierra 3500 Classic	WT
2015-2016	GMC	Sierra 3500 HD	Base
2011-2016	GMC	Sierra 3500 HD	Denali
2007-2016	GMC	Sierra 3500 HD	SLE
2007-2016	GMC	Sierra 3500 HD	SLT
2007-2014	GMC	Sierra 3500 HD	WT