K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 9HP: Compatible with 4.0L, V6, 2003-2008 Toyota 4 Runner, 63-9023

Take your Toyota 4 Runner's performance to the next level with the K&N Cold Air Intake Kit. Designed to provide a guaranteed increase in horsepower and torque, this intake system is perfect for those who crave more acceleration and towing power. With an estimated increase of up to 9HP and 9 ft.lbs. of torque, you'll feel the difference from the moment you hit the gas.

Don't settle for a mediocre engine sound. With K&N's intake system, your engine will growl on acceleration, giving you that exhilarating experience you've been dreaming of. And when you're cruising at speed, it will return to a quiet purr, keeping the peace on long drives. This is the way your engine was meant to sound.

Worried about the credibility of the claims? Fear not! K&N's air intake horsepower/torque testing is performed on wheel-based dynamometers, ensuring accurate and reliable results. You'll even receive a detailed report with each intake system, so you can see the impressive numbers for yourself.

Enhance your towing capabilities with the K&N Cold Air Intake Kit. This high-performance kit improves acceleration and uphill performance, making towing a breeze. Say goodbye to sluggish starts and hello to a smoother ride, thanks to the improved throttle response and overall increase in horsepower and torque.

Featuring K&N's signature reusable air filter, this intake kit is designed to go the distance. The 4 layers of pleated, breathable cotton combined with K&N's red filter oil absorb dirt and dust particles, ensuring only clean air reaches your engine. And the best part? The filter only needs cleaning every 100,000 miles under normal highway driving conditions, saving you time and money.

When it comes to durability, this intake system doesn't disappoint. The roto-molded intake tube, made from high-density polyethylene (HDPE), increases the volume of airflow to your engine, delivering maximum performance. Additionally, the custom heat shield protects the intake air from the high temperatures of your engine bay, ensuring optimal air quality.

Rest easy knowing that the K&N Cold Air Intake Kit will not void your vehicle's manufacturer warranty. This premium engine protection solution is backed by a No-Hassle Lifetime Limited Warranty, providing you with peace of mind for the entire life of your vehicle. Trust in the K&N brand for unparalleled performance and quality.

Ready to experience the power and reliability of the K&N Cold Air Intake Kit? Visit our website and transform your Toyota 4 Runner today. Shop now.