K&N Performance High-Flow Universal Engine Air Filter: Washable, Multi-Layer Protection, Engineered to Boost Horsepower, RU-3700

K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. These versatile filters are constructed with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone-style), and oval designs, K&N® offers thousands of clamp-on filters in a multitude of shapes and sizes that cater to many precise applications. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 4 In, Flange Length: 1.75 In, Shape: Round Tapered, RU-3700

• Engineered Power: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
• Easy Installation: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
• Saves Money: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
• Eco-Friendly: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
• World Class Protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
• Low-Maintenance Design: 50,000 miles before your first cleaning under normal highway driving conditions.
• High Quality
• Race Tested: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
• N0-Hassle Warranty: 1-Year Limited Warranty