K&N Replacement Air Filter (33-2121-1)

K&N Replacement Air Filter (33-2121-1)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

Aluminum construction

K&N adapters allow for even more air filter applications

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

5-1/8 inch inside diameter

Custom designed for Enderle Birdcather hat

Control dial - The stylish aluminum control dial installs into the cab of your vehicle to give you direct control over your Throttle Control Module

Enderle Birdcatcher fuel injection hats are used in drag racing

How It Works - The Throttle Control Module processes input data from the gas pedal

Stackable with K&N® Boost Control Module

K&N drop-in replacement filters are designed to install easily into your factory air box

UK Manufacture

Features & Benefit: Designed to help prevent debris and dirt from entering your garage vent