Wehrli Custom Fabrication (WCFab) is a premier manufacturer of high-performance automotive parts and custom fabrication solutions, specializing in turbo systems, intercoolers, intake systems, and exhaust components. Known for their precision and attention to detail, WCFab products are designed to enhance engine performance, boost efficiency, and improve overall vehicle dynamics. Proudly made in the USA, Wehrli Custom Fabrication combines top-quality materials and advanced manufacturing techniques to deliver durable, reliable components built to withstand the toughest conditions.
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:
Fitment Years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.
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 |
Fitment Years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.
- CARB:
- This product is not CARB Legal and not for sale in California
- Category:
- Exhaust, Mufflers & Tips>Connecting Pipes
- Core:
- N
- Core Price:
- 0
- LTL:
- N
- MPN:
- WCF100652
- Proposition 65:
- Y