K&N Engineering Custom Air Filter Round 1.063in ID x 2in OD x 1.063in Height YMM_1997_2002_Subaru_Forester_SF 5-inch deep dish design with

5-inch deep dish design with slits in the middle

Crafted with lightweight lithium-ion technology

allowing for a straightforward installation that requires no modifications to the existing exhaust system

The smooth teardrop profile is ergonomically designed to fit comfortably in your hand

K&N Engineering Custom Air Filter Round 1.063in ID x 2in OD x 1.063in Height YMM_1997_2002_Subaru_Forester_SF 5-inch deep dish design withRound Air Filter by K&N 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