K&N Replacement Air Filter (33-3181)

K&N Replacement Air Filter (33-3181)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

Lightweight for racing applications

The K&N 06801 is a steel metal top plate designed for an air filter assembly

Allow for more filter applications

on some monster trucks and on other racing vehicles

The 100-8522 carbon fiber intake tube was designed to fit NHRA Pro Stock vehicles

All assemblies come with a famous K&N High-Flow Washable Air Filter

High-Performance Twin Layer Foam

Dual cotton layers

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

Large open cell foam construction stops 90% of dirt with very low air restriction

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

They provide outstanding filtration and can be used for custom or racing needs