Skip to content
by Wehrli

Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo)

Save 3% Save 3%
Original price $345.00
Original price $345.00 - Original price $345.00
Original price $345.00
Current price $334.65
$334.65 - $334.65
Current price $334.65
Availability:
Only 2 left!

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This up pipe is built with more sweeping, less aggressive bends for use in COMPOUND / TWIN TURBO STYLE APPLICATIONS ONLY. It WILL NOT clear a conventional downpipe behind the engine off of the turbocharger in the valley. - - Compatible with only factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). - - NOTE: This up pipe will ONLY fit with OEM exhaust manifold.

  • Full flow design eliminates clearance dent and tight bends required for engine valley mount single turbo down pipes
  • Heavy Duty 2" Passenger Side Up Pipe Passenger Side Up Pipe for Compound / Twin Turbo Applications
  • WILL NOT CLEAR a Conventional Single Turbo down pipe!
  • Fully TIG Welded 11 GA Stainless Steel Construction
  • Up Pipe Gaskets (2)
  • Made in USA
Shipping information

Use this text to share information about your product.

Returns & warranty

Use this text to share information about your product.

Vehicle Compatibility 55 vehicles

Year Make Model Submodel
2001 Chevrolet Silverado 2500 HD Base
2002 Chevrolet Silverado 2500 HD Base
2003 Chevrolet Silverado 2500 HD Base
2004 Chevrolet Silverado 2500 HD Base
2001 Chevrolet Silverado 2500 HD LS
2002 Chevrolet Silverado 2500 HD LS
2003 Chevrolet Silverado 2500 HD LS
2004 Chevrolet Silverado 2500 HD LS
2001 Chevrolet Silverado 2500 HD LT
2002 Chevrolet Silverado 2500 HD LT
2003 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2001 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 Base
2004 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2002 Chevrolet Silverado 3500 LT
2003 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2002 GMC Sierra 2500 HD Base
2003 GMC Sierra 2500 HD Base
2004 GMC Sierra 2500 HD Base
2001 GMC Sierra 2500 HD SL
2002 GMC Sierra 2500 HD SL
2001 GMC Sierra 2500 HD SLE
2002 GMC Sierra 2500 HD SLE
2003 GMC Sierra 2500 HD SLE
2004 GMC Sierra 2500 HD SLE
2001 GMC Sierra 2500 HD SLT
2002 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD SLT
2004 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2004 GMC Sierra 2500 HD WT
2002 GMC Sierra 3500 Base
2003 GMC Sierra 3500 Base
2004 GMC Sierra 3500 Base
2001 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 SLE
2004 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2002 GMC Sierra 3500 SLT
2003 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT