K&N Adapter; Bolt On w/Tube (21516)

K&N Adapter; Bolt On w/Tube (21516)K&N adapters allow for even more air filter applications. Manufactured using high quality materials Engineered for performance Allow for more filter applications Made in USA Backed by K&N warranty

They are made from durable polyester material containing a uniform weave

K&N® washable

This coupler adapts a 3-1/4 inch to a 3 inch tube and is 2 inches in length

Gray colored Airforce pre-cleaners do not use oil

This stainless steel base plate is a custom air filter assembly part that helps give your vehicle that show car look under the hood

Durable zinc finish

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

Connects a 3-1/4 inch to a 2-1/2 inch tube

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

it is a washable and reusable air filter

K&N rubber hose couplers are designed to connect intake tubes for custom do-it-yourself racing air intake applications or used as a replacement part

oiled cotton media engineered to improve airflow and capture contaminants