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SKU: EVO7008 | UPC: 843115027834
Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake EVO7008
The Injen EVO7008 Evolution Intake System delivers massive airflow to 2001-2004 Chevrolet Silverado 2500HD 3500 and GMC Sierra 2500HD 3500 trucks with the 6.6L Duramax LB7 diesel engine. This cold air intake replaces the restrictive factory airbox with a high-flow design that boosts engine power and throttle response. Dyno tests confirm gains of up to 21 horsepower and 43 ft-lbs of torque for noticeable performance on the road or tow.
Key Features
- SuperNano-Web Dry Air Filter: Largest filter size for this application increases air volume for more power while staying maintenance-free with no oils needed quick clean-and-reuse design.
- Quality Hardware: Stainless steel band clamps with protective liners and reinforced automotive-grade silicone couplers ensure secure fit and long-lasting durability.
- Hassle-Free Installation: 3D-modeled kit bolts on using factory mounting points in under an hour for simple setup and a clean engine bay appearance.
- Dyno Proven Performance: Extensive testing delivers verified gains of 21 HP and 43 ft-lbs torque without engine tuning on stock LB7 Duramax engines.
- Mandrel-Bent Aluminum Tube: Polished intake tube provides smooth airflow path reduces restrictions and adds aggressive underhood style.
Product Notes
- SuperNano-Web filter is washable and reusable for ongoing performance without oiling.
- Designed for stock or modified LB7 engines maintains safe air-fuel ratios.
- Ships in protective packaging handles rough transit secures components.
Installation Notes
- Professional installation recommended.
- Bolt-on design reuses OEM mounting locations no cutting or drilling required.
- Includes all necessary hardware compatible with factory turbo inlet piping.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2004 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2004 | Chevrolet | Silverado 2500 HD | LT |
| 2004 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2004 | Chevrolet | Silverado 3500 | Base |
| 2001-2004 | Chevrolet | Silverado 3500 | LS |
| 2001-2004 | Chevrolet | Silverado 3500 | LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2002-2004 | GMC | Sierra 2500 HD | Base |
| 2001-2002 | GMC | Sierra 2500 HD | SL |
| 2001-2004 | GMC | Sierra 2500 HD | SLE |
| 2001-2004 | GMC | Sierra 2500 HD | SLT |
| 2003-2004 | GMC | Sierra 2500 HD | WT |
| 2002-2004 | GMC | Sierra 3500 | Base |
| 2001-2002 | GMC | Sierra 3500 | SL |
| 2001-2004 | GMC | Sierra 3500 | SLE |
| 2001-2004 | GMC | Sierra 3500 | SLT |
| 2004 | GMC | Sierra 3500 | WT |
Why Choose Injen?
- Over 20 years engineering high-performance air intakes for diesel trucks.
- Every system dyno tested for real-world power gains on specific engines.
- Limited lifetime warranty covers defects in materials and workmanship.
Frequently Asked Questions
-
Q: Does the EVO7008 fit 2001-2004 Duramax LB7 Silverado and Sierra models?
A: Yes fits all listed 2001-2004 Chevy Silverado 2500HD 3500 and GMC Sierra 2500HD 3500 submodels with 6.6L LB7 diesel no modifications needed. -
Q: What materials are used in the EVO7008 intake?
A: Mandrel-bent polished aluminum tube SuperNano-Web synthetic dry filter stainless steel clamps and silicone couplers built for heat resistance and strength. -
Q: What warranty comes with this intake and is tuning required?
A: Limited lifetime warranty from Injen no tuning needed gains achieved on stock ECM calibration.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Secure box measures 24 x 14 x 12 inches
- Weight: 8 lbs product 10 lbs shipping
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