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The K&N 57-3062 Performance Air Intake System delivers dyno-proven power gains for 2002-2009 Chevrolet Trailblazer and Trailblazer EXT GMC Envoy and Envoy XL Isuzu Ascender equipped with the 4.2L L6 engine. This kit features a roto-molded high-density polyethylene HDPE intake tube that increases airflow volume paired with a washable high-flow oiled cotton filter for guaranteed horsepower and torque improvements up to 15 HP. A custom heat shield blocks engine bay heat while the complete system installs in under 60 minutes using basic hand tools.
Key Features
- Roto-molded HDPE intake tube: Increases airflow volume to the engine for measurable power and torque gains.
- Oversized oiled cotton air filter: Washable and reusable cleans every 100000 miles under normal highway driving.
- Custom heat shield: Protects intake air from hot engine bay temperatures for cooler denser air charge.
- Easy installation: Replaces factory air filter and intake tube completes in 60 minutes or less with simple hand tools.
- Direct bolt-on replacement compatible with factory hardware.
- Filter service interval up to 100000 miles with regular oiling and cleaning kit.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2006 | Chevrolet | Trailblazer | LS, LT |
| 2006 | Chevrolet | Trailblazer EXT | LS, LT |
| 2006 | GMC | Envoy | SLE, SLT |
| 2006 | GMC | Envoy XL | SLE, SLT |
| 2006 | Isuzu | Ascender | Verify engine and application notes |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-3062 |
| Product Type | Cold Air Intakes |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N cold air intakes identified by manufacturer part number 57-3062. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
Related K&N Engineering Products
- Shop all K&N Engineering products
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Frequently Asked Questions
How do I confirm K&N 57-3062 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Does K&N 57-3062 require tuning or emissions verification?
Requirements vary by vehicle and intake configuration. Check the current K&N application and emissions notes, and complete any required calibration before full-load operation.
What should be checked after installing K&N 57-3062?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Uses basic hand tools no drilling or cutting required
- Direct bolt-on replacement compatible with factory hardware
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