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The K&N 57-9034 is a 57-series OEM air box intake system with a washable reusable High-Flow Air Filter and CAD-designed high airflow intake tube for 2010-2020 Toyota 4Runner models and 2010-2014 FJ Cruiser equipped with the 4.0L V6 engine. This direct replacement setup drops into the factory air box to deliver guaranteed horsepower and torque gains up to 12.3 HP at 5474 RPM while enhancing throttle response and engine sound. Installation takes less than 60 minutes using basic hand tools and it carries a No-Hassle Lifetime Limited Warranty.
Key Features
- High Airflow Design: Roto-molded HDPE intake tube paired with oiled cotton High-Flow Air Filter provides high airflow and exceptional engine protection.
- Easy Direct Fit: Precision engineered as a drop-in replacement for factory filter and components ensuring precise vehicle-specific fit.
- Long Service Interval: Filter requires cleaning only every 100000 miles under normal highway driving conditions.
- Ships in protective box measuring 18.1 x 7.5 x 7.5 inches.
- Filter is washable and reusable for ongoing cost savings.
- Over 60 years of air intake engineering leadership.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2010-2020 | Toyota | 4Runner | Limited, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Pro |
| 2010-2014 | Toyota | FJ Cruiser | Verify engine and application notes |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-9034 |
| 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 57-9034. 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 57-9034 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 57-9034 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 57-9034?
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
- Complete install in 60 minutes or less using standard hand tools no cutting or drilling required
- Hardware included bolts directly into factory mounting points
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