Product Description
The WEHRLI CUSTOM FAB WCF100648 2IN STAINLESS PASSENGER SIDE UP PIPE is engineered specifically for 2001-2004 LB7 Duramax twin turbo systems. Built from high-quality stainless steel, this passenger side up pipe delivers improved exhaust flow and durability compared to restrictive factory piping, making it ideal for high horsepower compound turbo applications.
Designed by Wehrli Custom Fabrication, this precision-built pipe connects the passenger side exhaust manifold to the high-pressure turbo in compound turbo setups. The mandrel-bent stainless design helps reduce exhaust restriction while maintaining durability under extreme heat and boost levels commonly seen in performance Duramax builds.
This kit includes the required installation gaskets for a secure and leak-free seal. Whether you are building a competition compound turbo setup or upgrading an existing system, the Wehrli WCF100648 up pipe ensures proper exhaust routing and reliable performance under demanding conditions.
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Key Features
- Designed for twin turbo / compound turbo LB7 setups
- 2 inch mandrel-bent stainless steel construction
- Passenger side exhaust up pipe configuration
- Improves exhaust flow to high pressure turbo
- High heat durability for performance builds
- Precision fitment for LB7 Duramax engines
- Includes installation gaskets
- Manufactured by Wehrli Custom Fabrication
Fitment
- 2001 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
- 2002 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
- 2003 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
- 2004 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
- 2001-2004 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
Installation Note: This up pipe is intended for twin turbo compound setups and may require additional piping or turbo mounting hardware depending on the turbo system configuration.
Frequently Asked Questions
Is this pipe compatible with stock turbo setups?
No. The WCF100648 up pipe is designed specifically for compound/twin turbo configurations on the LB7 Duramax engine.
What material is the up pipe made from?
The pipe is constructed from durable stainless steel designed to withstand high exhaust temperatures and boost pressures.
Does this pipe include gaskets?
Yes. The Wehrli WCF100648 includes the necessary installation gaskets for proper sealing.
Will this fit aftermarket exhaust manifolds?
This pipe is designed around factory LB7 manifold positioning but may work with certain aftermarket manifolds depending on turbo configuration.
Is tuning required after installation?
No tuning changes are required for the pipe itself, though compound turbo systems will require proper engine tuning to operate correctly.
Specifications for WEHRLI CUSTOM FAB WCF100648
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100648 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Material | Stainless Steel |
| Pipe Diameter | 2 Inch |
| Configuration | Passenger Side Twin Turbo Up Pipe |
| Shipping Weight | Approximately 8 lbs |
| Shipping Method | UPS / FedEx Ground |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
