K&N Replacement Air Filter (33-3133)

K&N Replacement Air Filter (33-3133)K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your

Oil-free synthetic media

Not all filters are built equal

This hood scoop plug is designed for a scoop with a 50 square inch opening

This hood scoop plug is designed for a scoop with a 58 square inch opening

K&N® washable

Designed for extreme off-road racing use

000 miles before service is required (depending on driving conditions)

Custom foam backing for a snug fit

The back is made from foam custom shaped for K&N hood scoops which creates a snug fit

This coupler connects two 3-1/4 inch tubes and is 2 inches in length

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

Engineered to fit easily into your factory air box