K&N Universal Clamp On Air Filter: High Performance, Premium, Replacement Engine Flange Diameter: 0.3125 In, Filter Height: 1 Length: 0.625 Shape: Round Tapered, RU 3490

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 built with simple clamp-on design. 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: Made in America. RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.