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The K&N 77-9034KP delivers guaranteed horsepower and torque gains up to 14.62 HP and 14.52 lb-ft through a mandrel-bent aluminum intake tube and high-flow oiled cotton air filter. This system fits 2010-2021 Toyota 4Runner models and 2010-2014 FJ Cruiser with 4.0L V6 engines, replacing the factory air filter and intake tube for better engine breathing and filtration. Installation takes 60 minutes or less using basic hand tools, with no impact on vehicle warranty.
Key Features
- Power Gains: Dyno-tested increases of 14.62 HP at 5700 RPM and 14.52 lb-ft at 4400 RPM for stronger acceleration and towing.
- Mandrel-Bent Aluminum Tube: Smooth uninterrupted airflow path reduces restrictions and heat intake for consistent performance.
- High-Flow Oiled Cotton Filter: Washable and reusable design captures dirt while allowing maximum air volume through the engine.
- Low Maintenance: Filter cleans every 100000 miles under highway conditions, saving time and costs long-term.
- Features a mandrel-bent aluminum intake tube for durability and heat resistance paired with a washable oiled cotton gauze filter media for superior airflow.
- Replaces OE components directly with no cutting or permanent modifications required.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2010-2021 | Toyota | 4Runner | Limited, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Pro |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 77-9034KP |
| 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 77-9034KP. 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 77-9034KP 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 77-9034KP 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 77-9034KP?
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
- Basic hand tools like screwdrivers and pliers complete the job in under 60 minutes.
- Includes all necessary hardware and instructions for direct bolt-on fitment.
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