aFe ProHDuty Air Filters OER P5R A/F HD P5R RC: 9.28OD x 5.25ID x 19H 1989-nissan-pathfinder-esi3736609 3L EcoBoost engine in your

3L EcoBoost engine in your 2016-2018 Ford FocusRS with Mishimoto's newly released cold-side intercooler pipe

Sold individually

ISR Performance oil restrictor

Engine blow-by can cause an oily mess inside intake manifolds and decrease octane levels

Anti dive geometry can also be tuned with the use of our stainless steel spacers

aFe ProHDuty Air Filters OER P5R A/F HD P5R RC: 9.28OD x 5.25ID x 19H 1989-nissan-pathfinder-esi3736609 3L EcoBoost engine in yourWith five layers of progressively finer mesh cotton gauze media between 100 percent polyurethane top and base, the aFe Pro 5R heavy duty oiled conical performance filter provides excellent airflow for maximum horsepower and torque. Washable and reusable for multiple cleanings, the tall, open, evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps