K&N designed this RC-4780 Universal Clamp-On Air Filter to provide an increase in horsepower in addition to acceleration. This washable, reusable filter features an oiled cotton filter media and engineered to improve airflow as well as capture contaminants. Constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure attachment, they can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N RC-4780 Universal Clamp-On Air Filter Features: Air Filter Type: Oiled Air Filter Style: Conical Inlet Flange Inside Diameter: 4.000 in. Air Filter Length: 9.500 in. Air Filter Top Measurement: 5.250 in. diameter Air Filter Base Measurement: 6.625 in. diameter Air Filter Material: Cotton Gauze Air Filter Color: Red Cap Color: Black Powdercoated Inner Wire: No Warranty: 1 Year Limited Quantity: Sold individually K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment! The reason top racers trust K&N to protect their high-dollar engines? These air filters let airflow in while keeping dirt out. Designed for the racetrack—made for your vehicle. K&N: Power Up Your Ride!
