K&N Universal 4 Inch Filter - RU-2510 Headers & Manifolds Cobb 08-21 Subaru STI /

Cobb 08-21 Subaru STI / 2018 Type RA Stage 1+ to NexGen Stg 2 + Flex Fuel Power Package Upgrade

FWD Models will be equipped with 12k R spring rates

an m-sport style diffuser is necessary for dual tip fitment

FRONT REAR SPRING RATES 10k 8k UPPER MOUNT Pillowball w/ Camber Plates Pillowball STRUT DESIGN Inverted Sustech Inverted

HC9-HDR6 kit features ACT's most popular Heavy Duty pressure plate

K&N Universal 4 Inch Filter - RU-2510 Headers & Manifolds Cobb 08-21 Subaru STI /K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure