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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Wehrli
Wehrli 2011-2015 Chevrolet/GMC Silverado/Sierra 2500/3500 3" Stainless V-Band Downpipe (6.6L) WCF100704
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2011-2015 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD trucks (6.6L LML Duramax).
The Wehrli Custom Fabrication 3-inch Stainless Steel Downpipe is designed to replace the restrictive, crushed factory downpipe on LML Duramax engines. This high-flow replacement improves exhaust scavenging and reduces backpressure at the turbocharger. This specific model is designed for use with factory or factory-style drop-in turbochargers that utilize a V-band connection; it is not compatible with 3-bolt flange style exhausts.
- 3-inch diameter stainless steel construction for corrosion resistance and durability
- V-band style flange for a secure, leak-free connection
- Includes thermal heat wrap and heavy-duty clamps
- No ECU tuning or recalibration required for installation
- Direct replacement for GM part numbers: 12643610, 12638304, 12643214
- Note: If your vehicle requires a 3-bolt style downpipe, use MPN: WCF100705
- Made in the USA
- Manufacturer Part Number: WCF100704
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2015 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2015 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2015 | Chevrolet | Silverado 2500 HD | WT |
| 2015 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2015 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2015 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2015 | Chevrolet | Silverado 3500 HD | WT |
| 2015 | GMC | Sierra 2500 HD | Base |
| 2011-2015 | GMC | Sierra 2500 HD | Denali |
| 2011-2015 | GMC | Sierra 2500 HD | SLE |
| 2011-2015 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015 | GMC | Sierra 3500 HD | Base |
| 2011-2015 | GMC | Sierra 3500 HD | Denali |
| 2011-2015 | GMC | Sierra 3500 HD | SLE |
| 2011-2015 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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Wehrli 2011-2015 Chevrolet/GMC Silverado/Sierra 2500/3500 3" Stainless V-Band Downpipe (6.6L) WCF100704
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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Fits select 2011-2015 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD trucks (6.6L LML Duramax).
The Wehrli Custom Fabrication 3-inch Stainless Steel Downpipe is designed to replace the restrictive, crushed factory downpipe on LML Duramax engines. This high-flow replacement improves exhaust scavenging and reduces backpressure at the turbocharger. This specific model is designed for use with factory or factory-style drop-in turbochargers that utilize a V-band connection; it is not compatible with 3-bolt flange style exhausts.
- 3-inch diameter stainless steel construction for corrosion resistance and durability
- V-band style flange for a secure, leak-free connection
- Includes thermal heat wrap and heavy-duty clamps
- No ECU tuning or recalibration required for installation
- Direct replacement for GM part numbers: 12643610, 12638304, 12643214
- Note: If your vehicle requires a 3-bolt style downpipe, use MPN: WCF100705
- Made in the USA
- Manufacturer Part Number: WCF100704
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2015 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2015 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2015 | Chevrolet | Silverado 2500 HD | WT |
| 2015 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2015 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2015 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2015 | Chevrolet | Silverado 3500 HD | WT |
| 2015 | GMC | Sierra 2500 HD | Base |
| 2011-2015 | GMC | Sierra 2500 HD | Denali |
| 2011-2015 | GMC | Sierra 2500 HD | SLE |
| 2011-2015 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015 | GMC | Sierra 3500 HD | Base |
| 2011-2015 | GMC | Sierra 3500 HD | Denali |
| 2011-2015 | GMC | Sierra 3500 HD | SLE |
| 2011-2015 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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