Subaru STi intake

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...

Injen Technology has done it once again with this new short ram air intake for the 2018-2021 Subaru WRX STI Equipped with the H4-2.5L Turbo Engine....

Injen Technology has done it once again with this new short ram air intake for the 2018-2021 Subaru WRX STI Equipped with the H4-2.5L Turbo Engine....

Injen Technology has done it once again with this new short ram air intake for the 2018-2021 Subaru WRX STI Equipped with the H4-2.5L Turbo Engine....

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...

HKS RS VAB VAF WRX STI EJ257

Add easy horsepower to your ride with the Injen Technology IS Performance short ram Air Intake! Our engineers spent abundant amounts of time design...

Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spen...

HKS 2015 SUBARU WRX STI 4D EJ257 COLD AIR INTAKE FULL KIT VAB

AEM cold air intake systems are designed to increase horsepower and torque. The system includes an oversized AEM DRYFLOW synthetic washable air fil...

The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give...

The AEM 21-478WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

The AEM 22-474B Performance Short Ram Air Intake System has been engineered to be an affordable and easy way to boost the horsepower and torque of ...