K&amp;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&amp;N's 10-Year/Million Mile Limited Warranty. K&amp;N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&amp;N's most popular product!

E-3505 Oval Air Filter

Oval Air Filter

E-3515 Oval Air Filter

E-3504 Oval Air Filter

E-3514 Oval Air Filter

<B>K&amp;N Custom 66 Series<sup>®</sup></B> custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing.  They incorporate our famous K&amp;N Air Filters and provide serious air flow.  Each complete assembly comes with base, element, top plate and stud.

66-1560 Oval Air Filter Assembly

Oval Air Filter Assembly

66-1540 Oval Air Filter Assembly

66-1510 Oval Air Filter Assembly

66-1570 Oval Air Filter Assembly

66-1550 Oval Air Filter Assembly

66-5080R Unique Air Filter Assembly

Unique Air Filter Assembly

66-5080F Unique Air Filter Assembly

66-1530 Oval Air Filter Assembly

66-1470 Oval Air Filter Assembly

66-1460 Oval Air Filter Assembly

Custom 66 assemblies