AEM Wrinkle Red Cold Air Intake Subaru WRX STI 2015-2017 | 21-735WR Vehicle Model Spring Rates: (F) 12kg/mm (R)

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

They minimize the traction-robbing body "lean" that rolls part of the outside tires off the pavement

JE Pro Seal’s ring manufacturing capabilities can provide custom ring solutions for your specific high performance piston ring needs

Note: This valve is for recirculation only and can not vent to atmosphere

AEM Wrinkle Red Cold Air Intake Subaru WRX STI 2015-2017 | 21-735WR Vehicle Model Spring Rates: (F) 12kg/mm (R)Fitment: 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