aFe MagnumFLOW Air Filters UCO P5R A/F P5R 3F x 6B x 4-3/4T x 6H 2011-infiniti-m37-esi4480150 aFes unique brushed finish step

aFes unique brushed finish step mid pipe design unleashes all available power and creates a broad and exciting power band

Mishimoto's silicone radiator hose kit for the Subaru WRX/STI is made with a dual layer combining high-grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance

The intake tubing is constructed from mandrel-bent aluminum featuring a durable red finish

This 6” tall 360-degree radial flow air filter features a 4-1/2” round flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience

Bilstein B16 (iRC) suspension kits feature ride height adjustability with standalone electronically adjustable dampers in an OE quality

aFe MagnumFLOW Air Filters UCO P5R A/F P5R 3F x 6B x 4-3/4T x 6H 2011-infiniti-m37-esi4480150 aFes unique brushed finish stepConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings.