AEM Wrinkle Red Cold Air Intake Subaru WRX STI 2015-2017 | 21-735WR Vehicle Model the FX300 provides a significant

the FX300 provides a significant increase in holding power while preserving excellent drivability for everyday use

Ideal for performance street and race builds

Spring Rates: (F) 12kg/mm (R) 8kg/mm

Vibrant Bar and Plate Intercoolers are designed and built to provide superior cooling efficiency and overall durability compared to tube and fin style intercoolers

The increased surface area (9

AEM Wrinkle Red Cold Air Intake Subaru WRX STI 2015-2017 | 21-735WR Vehicle Model the FX300 provides a significantFitment: 2015 2017 STi ONLY The AEM 21 735WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Subaru WRX STI models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is