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Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake Injen INJEVO7008
Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake Injen INJEVO7008
Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake Injen INJEVO7008
Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake Injen INJEVO7008
Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake Injen INJEVO7008
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Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake

Injen
INJEVO7008
843115027834
Cold Air Intakes
6 Units In Stock - Ships Next Business Day
$ 344.68 $ 308.40
FREE Ground Shipping!
$ 308.40

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

Request For Information

Have questions about Injen 01-04 GMC Duramax LB7 6.6L Evolution Intake? Fill out the form below and we'll get back to you by the next business day.
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