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The K&N 57-3056 Performance Air Intake System fits 2006-2011 Chevrolet HHR models with 2.4L engines. This enclosed cold air intake uses a roto-molded HDPE tube and oversized oiled cotton filter to deliver more airflow for gains in horsepower and torque. The design shields intake air from engine bay heat while allowing tool-free filter access and simple maintenance.
Key Features
- High-Flow Oiled Cotton Filter: Washable and reusable with oversized conical shape, cleans every 100000 miles under highway conditions.
- Enclosed Air Box: Shields filter and inlet air from engine bay heat for denser cooler air and better performance.
- Roto-Molded HDPE Intake Tube: Increases airflow volume to the engine for measurable horsepower and torque gains.
- Easy Filter Access: Air box lid removes without tools for quick servicing.
- Bolt-on design with no cutting or permanent modifications needed.
- Filter cleaning required only every 100000 miles with normal highway driving.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2006-2011 | Chevrolet | HHR | LS, LS Panel, LT, LT Panel |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-3056 |
| 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 57-3056. 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.
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Frequently Asked Questions
How do I confirm K&N 57-3056 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 57-3056 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 57-3056?
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
- Completes in 60 minutes or less using basic hand tools
- Bolt-on design with no cutting or permanent modifications needed
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