Product Description
Improve airflow and turbo efficiency on your 2007.5-2010 Duramax with the WEHRLI CUSTOM FAB WCF100193 4" INTAKE KIT WITH AIR BOX. Designed specifically for the LMM Duramax platform, this high-flow intake system replaces the restrictive factory intake assembly with a larger 4-inch aluminum intake tube and sealed performance air box to maximize airflow to the turbocharger.
Manufactured by Wehrli Custom Fabrication, this intake kit is engineered for durability, improved throttle response, and increased horsepower potential. The large-diameter intake piping helps reduce intake restriction while the sealed air box keeps hot engine bay air out, allowing your turbocharger to breathe cooler and denser air for improved performance and reliability.
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Key Features
- Large diameter 4" aluminum intake tubing
- Sealed high-flow air box design
- Improves turbocharger airflow and response
- Durable powder-coated aluminum construction
- High-performance air filter included
- Direct bolt-on installation for LMM Duramax
- Designed for performance and towing applications
Fitment
- 2007.5 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LMM
- 2008 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LMM
- 2009 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LMM
- 2010 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LMM
- 2007.5-2010 GMC Sierra 2500HD / 3500HD 6.6L Duramax LMM
Frequently Asked Questions
What benefits does a 4" intake provide on an LMM Duramax?
A larger diameter intake improves airflow to the turbocharger, reducing restriction and improving throttle response, turbo spool, and overall engine efficiency.
Is this intake kit a direct bolt-on upgrade?
Yes. The Wehrli WCF100193 intake kit is designed as a direct bolt-on replacement for the factory intake system on 2007.5-2010 LMM Duramax trucks.
Does this intake require tuning?
No tuning is required. However, tuning can further optimize airflow and performance gains when combined with other engine modifications.
Will this intake improve towing performance?
Yes. Improved airflow and turbo response can help maintain boost and efficiency under heavy load conditions, making it beneficial for towing setups.
Does this intake include the air filter?
Yes. The kit includes a high-flow performance air filter designed to work with the sealed air box system.
Specifications for WEHRLI CUSTOM FAB WCF100193
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100193 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approximately 15 lbs |
| Package Dimensions | 24 x 18 x 12 inches |
| 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 |
