Air Filters - Drop In

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 4in H - E-3514

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...

K&N Custom Air Filter - Round 5-5/16in OD 4-1/16in ID 2-3/8in H - E-3506

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...

K&N Custom Air Filter - Oval - 11.5in O/S L x 8.125in O/S W x 2in H - E-3505

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...

K&N 06-09 BMW 135/335/535 Replacement Drop In Air Filter - E-3495

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for...

K&N Oval Air Filter - 8-7/8in L 5-1/4in W 6in H - E-3491

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...

K&N Oval Drop In Air Filter - 8.785in x 5.25in / 4.5in H - E-3471

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...

K&N Oval Air Filter - 8-7/8in L 5-1/4in W 3-1/4in H - E-3461

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...

K&N Custom Air Filter 7in OD X 5 1/2in ID x 2in H - E-3402

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...

K&N Round Air Filter 7in OD 5.188in ID 3 Height - E-3380

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...

K&N Custom Air Filter - Round 6.25in OD 5.25in ID 4in H - E-3344

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...

K&N Custom Air Filter 7 inch X 4 1/2 inch / 3 1/4 inch Height / OVAL - E-3341

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...

K&N Custom Air Filter - Round 6.25in OD 5.25in ID 3.25in H - E-3340

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...