K&N Universal Clamp-On Air Filter (RU-3040)

K&N Universal Clamp-On Air Filter (RU-3040)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. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure

Improves throttle response and engine sound

4 inch tall air filter E-3026R and several other variations meant for off-road racing use

The Apollo's specially designed shape increases volumetric efficiency and is made of durable lightweight material for cooler air intake

The RK-3910-1 comes with a larger air filter and longer spacers than the RK-3909-1

Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California

Foam wrap pre-filter included

The K&N 81-0241 In-Line Gas Filter is perfect for racing applications and can be used with a variety of oils and fuels including methanol

The intake tube has a textured red powder-coat finish that's made to last and it accommodates the factory air temperature sensor

Designed to provide increased horsepower and torque

The oversized air filter is capped with an impressive chrome lid for added visual appeal under the hood

alcohol and other fuels

This K&N racing air filter was designed to fit and seal onto the opening of an unmodified Enderle Birdcatcher fuel injection hat