Wehrli WCF100648 - 2001-2004 Chevrolet 6.6L Duramax LB7 2-Inch Stainless Passenger Side Up Pipe with Gaskets

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. Wehrli Custom Fab Passenger Up Pipe w/ Gaskets (Twin Turbo), 2in, 01-04 LB7 Duramax, Stainless

• 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

Brief Description: The Wehrli WCF100648 passenger-side up pipe is designed for compound and twin-turbo applications on 2001-2004 Chevrolet 6.6L Duramax LB7 applications. Its sweeping design avoids the clearance dent and tight bends commonly required for engine-valley single-turbo downpipes. This up pipe is intended for use with factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds, part WCF100363.

Key Features & Performance Benefits:

• Full-flow design: Uses more sweeping, less aggressive bends for compound and twin-turbo applications.
• Heavy-duty construction: Built from 11-gauge stainless steel for durable service.
• Turbo and exhaust performance: Designed to increase turbo spool-up and decrease exhaust gas temperatures.
• Leak-resistant bellows: Includes heavy-duty stainless bellows designed not to crack and leak like the OEM component.

Key Product Specifications & Technical Data:

• Brand: Wehrli
• Part number: WCF100648
• Product type: Passenger-side up pipe
• Application: Compound and twin-turbo setups
• Tube diameter: 2 inches
• Material: Stainless steel
• Construction: Fully TIG welded, 11-gauge stainless steel
• Manifold compatibility: Factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds, part WCF100363

What's Included in the Box: One passenger-side up pipe and two up pipe gaskets.

Fitment: Fits 2004 Chevrolet Silverado 2500 HD, 2004 Chevrolet Silverado 3500, and 2004 GMC Sierra 2500 HD applications listed for the 6.6L Duramax LB7. This up pipe will not clear a conventional single-turbo downpipe behind the engine and is not intended for conventional single-turbo applications.

Fitments:
2001 Chevrolet Silverado 2500 HD Base
2001 Chevrolet Silverado 2500 HD LS
2001 Chevrolet Silverado 2500 HD LT
2001 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2001 GMC Sierra 2500 HD SL
2001 GMC Sierra 2500 HD SLE
2001 GMC Sierra 2500 HD SLT
2001 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2002 Chevrolet Silverado 2500 HD Base
2002 Chevrolet Silverado 2500 HD LS
2002 Chevrolet Silverado 2500 HD LT
2002 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LT
2002 GMC Sierra 2500 HD Base
2002 GMC Sierra 2500 HD SL
2002 GMC Sierra 2500 HD SLE
2002 GMC Sierra 2500 HD SLT
2002 GMC Sierra 3500 Base
2002 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLT
2003 Chevrolet Silverado 2500 HD Base
2003 Chevrolet Silverado 2500 HD LS
2003 Chevrolet Silverado 2500 HD LT
2003 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LT
2003 GMC Sierra 2500 HD Base
2003 GMC Sierra 2500 HD SLE
2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2003 GMC Sierra 3500 Base
2003 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 SLT
2004 Chevrolet Silverado 2500 HD Base
2004 Chevrolet Silverado 2500 HD LS
2004 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2004 Chevrolet Silverado 3500 Base
2004 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2004 GMC Sierra 2500 HD Base
2004 GMC Sierra 2500 HD SLE
2004 GMC Sierra 2500 HD SLT
2004 GMC Sierra 2500 HD WT
2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 SLE
2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1