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SKU: WCF100412-GB
Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax 3.5in Intake Horn - Gloss Black
This Wehrli Custom Fab intake horn replaces the restrictive factory unit on 2006-2010 Chevrolet Silverado and GMC Sierra 2500HD 3500HD trucks equipped with the 6.6L LBZ or LMM Duramax diesel engine. Crafted from mandrel-bent 6061-T6 aluminum it delivers smoother airflow directly to the turbocharger for quicker spool-up better throttle response and added horsepower. The gloss black powder-coated finish adds engine bay style while ensuring long-lasting protection against heat and corrosion.
Key Features
- Mandrel-Bent Aluminum Design: 6061-T6 tubing eliminates sharp bends for maximum airflow volume and velocity to the turbo
- 3.5-Inch Inlet Diameter: Matches high-flow intake systems perfectly supporting higher boost levels and efficient air delivery
- Gloss Black Powder Coat: Heat-resistant finish resists chipping and fading maintains sleek appearance underhood
- Direct Bolt-On Fit: Precision-engineered to install using factory mounting points no cutting or fabrication needed
- Performance Gains: Reduces intake restrictions improves turbo efficiency gains up to 20 rear-wheel horsepower
Product Notes
- Not compatible with OEM or aftermarket intake systems that have the boot connection molded to the intake pipe or not removable
- Compatible with intakes using a boot and two clamps for connection to the horn
- EPA compliant design ensures street-legal operation
Installation Notes
- Professional installation recommended.
- Remove stock plastic intake horn and turbo inlet pipe before installation
- Reuses factory gasket and clamps or includes silicone boot kit for secure fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2010 | GMC | Sierra 2500 HD | SLT |
| 2006-2010 | GMC | Sierra 2500 HD | WT |
| 2006-2010 | GMC | Sierra 2500 HD | SLE |
| 2006 | GMC | Sierra 2500 HD | SL |
| 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 |
| 2006 | Chevrolet | Silverado 2500 HD | LS |
| 2006-2010 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 2500 HD | LTZ |
| 2006-2010 | 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 |
| 2006 | GMC | Sierra 3500 | SL |
| 2006 | GMC | Sierra 3500 | SLE |
| 2006 | GMC | Sierra 3500 | SLT |
| 2006 | GMC | Sierra 3500 | WT |
| 2007-2010 | GMC | Sierra 3500 HD | SLE |
| 2007-2010 | GMC | Sierra 3500 HD | SLT |
| 2007-2010 | GMC | Sierra 3500 HD | WT |
| 2006 | Chevrolet | Silverado 3500 | LS |
| 2006 | Chevrolet | Silverado 3500 | LT |
| 2006 | Chevrolet | Silverado 3500 | WT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2010 | Chevrolet | Silverado 3500 HD | WT |
Why Choose Wehrli?
- Over 20 years specializing in Duramax diesel upgrades with thousands of satisfied customers
- All parts fabricated in-house from premium materials for exact fit and reliability
- CNC-machined flanges and mandrel bends ensure consistent high-flow performance
Frequently Asked Questions
-
Q: Will this fit my aftermarket cold air intake?
A: Yes if your intake uses a removable boot with two clamps to connect to the horn if the boot is molded to the pipe it will not fit -
Q: What material and finish is used?
A: Constructed from 6061-T6 aircraft-grade aluminum with a durable gloss black powder coat finish rated for high underhood temperatures -
Q: What is the warranty and install time?
A: Lifetime warranty against manufacturing defects installs in 30-60 minutes with basic tools direct bolt-on design
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 14in x 10in x 8in dimensions
- Weight: 4.8 lbs
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