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SKU: 63-9023 | UPC: 024844112026
K&N 63-9023 Performance Air Intake System for 2003-2009 Toyota 4Runner V6 4.0L
The K&N 63-9023 Aircharger Performance Intake System replaces the factory air intake on 2003-2009 Toyota 4Runner models equipped with the 4.0L V6 engine. This system uses a high-density polyethylene roto-molded tube to deliver increased airflow volume for dyno-proven gains of 10.3 HP at 5300 RPM and added torque. Paired with a washable high-flow oiled cotton filter and custom heat shield, it improves engine performance while maintaining strong filtration.
Key Features
- Roto-Molded HDPE Intake Tube: Boosts airflow to the engine for measurable horsepower and torque increases
- Oversized High-Flow Oiled Cotton Air Filter: Washable and reusable design cleans every 100000 miles under highway conditions
- Custom Heat Shield: Shields incoming air from engine bay heat for cooler denser intake charge
- Easy Bolt-On Design: Replaces stock air filter and intake tube with no vehicle modifications needed
- Proven Power Gains: Dyno-tested 10.3 HP gain at 5300 RPM with guaranteed results
Product Notes
- Complete system installs in 60 minutes or less using basic hand tools
- Filter service interval up to 100000 miles with K&N cleaning kit
- Product weighs 7.8 lbs and ships in box 23.5 in x 14.5 in x 9.5 in
Installation Notes
- Professional installation recommended.
- Uses simple hand tools and completes in under 60 minutes
- Direct bolt-on fit with included hardware no cutting or drilling
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2009 | Toyota | 4Runner | Limited |
| 2003-2009 | Toyota | 4Runner | SR5 |
| 2003-2005 | Toyota | 4Runner | Sport |
| 2007-2009 | Toyota | 4Runner | Trail |
Why Choose K&N?
- Over 60 years engineering high-performance filtration products
- Systems backed by No-Hassle Lifetime Limited Warranty
- Dyno-tested designs deliver real-world power on millions of vehicles
Frequently Asked Questions
-
Q: Will this fit my 2009 Toyota 4Runner 4.0L V6?
A: Yes the K&N 63-9023 fits all 2003-2009 Toyota 4Runner models with 4.0L V6 engine across Limited SR5 Sport and Trail trims -
Q: What materials are used in construction?
A: Features rotationally molded high-density polyethylene HDPE tube paired with oiled cotton gauze filter media and powder-coated heat shield -
Q: What is the warranty and maintenance?
A: Covered by K&N No-Hassle Lifetime Limited Warranty filter cleans every 100000 miles under normal driving does not void vehicle warranty
Shipping & Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Secure box 23.5 x 14.5 x 9.5 inches
- Weight: 7.8 lbs
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