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Add 13 + Horsepower to Toyota 4Runner with K&N

The 4th generation Toyota 4Runner is a very sophisticated piece of engineering. In 2003, its look went athletic and larger. There is more front and rear legroom, more headroom and 2 inches more shoulder and hip room. It can easily fit five passengers.

AirCharger Air Intake for 2003 and 2004 Toyota 4Runner
AirCharger Air Intake for 2003 and 2004 Toyota 4Runner
K&N Engineering, Inc. has made a 63 Series AirCharger Intake Kit (63-9022) for the 2003 and 2004 Toyota 4Runner 4.7L V8. The K&N Typhoon Kit was specially designed to fit in the engine of the Toyota. ""We hand build these tubes," said K&N Performance Kit Technical Development Supervisor Kirk Swanson. "We shape it to hand form it for our dyno to get the best power." The heat shield on 63-9022 fits easily in the inner fender well.

K&N dyno test have shown a horsepower gain of 13.53 at 5012 RPM with the 63-9022 Intake Kit. K&N's (63-9022) rotationally molded polyethylene Intake Kit uses a Round Tapered Universal Chrome Top Air Filter (RC-5100) that can fit into the engine compartment using factory holes and mounting points. "There is a hole midway on the tube to accommodate a factory hose," said Swanson.

Power Gain Chart for Toyota 4Runner with K&N Air Intake
Power Gain Chart for Toyota 4Runner with K&N Air Intake
It takes less than an hour to install this kit and the lifetime K&N Air Filter performs for up to 100,000 miles before service is required depending on driving conditions.

Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.

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