Looking for aftermarket parts to modify or upgrade your Subaru WRX STI with air intake systems? At Tunersports.com we carry a huge selection of the top name brand performance air intake system parts and accessories for your WRX STI.
Whether you have a 2015 or 2021 Subaru WRX STI in Base to Type RA trim we have you covered. With air intake systems from air boxes to throttle body spacers we have 25 WRX STI air intake system mods available. All parts have free shipping to the Continental US 48 States.
 IN STOCK Injen SP Intake SP1208WRInjen 18-21 Subaru WRX STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Red $344.95
|
 IN STOCK Injen SP Intake SP1208WBInjen 18-21 Subaru WRX STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Black $344.95
|
 IN STOCK Injen SP Intake SP1208PInjen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished $344.95
|
 IN STOCK Torque Solution TB Spacer - Red TS-TBS-027RTorque Solution Throttle Body Spacer (Red) Subaru WRX 2006-2014 / STI 2004-2015 $81.88
|
 IN STOCK Torque Solution Thermal Gasket - Int Mani TS-SU-478-8Torque Solution 8mm Phenolic Thermal Intake Spacer: Subaru EJ Engines $73.33
|
 IN STOCK Torque Solution Silicone Couplers - Black TS-SU-305Torque Solution 02-07 Subaru WRX / 04-18 Subaru WRX STI Throttle Body Hose Coupler $47.65
|
 IN STOCK Torque Solution Thermal Gasket - Int Mani TS-SU-478-3Torque Solution Phenolic Thermal Intake Spacers 3mm for Subaru EJ Engines $60.49
|
 IN STOCK Perrin Performance Cold Air Intake PSP-INT-322RDPerrin 08-14 WRX / 08-17 STI Red Cold Air Intake (Will Not Fit 2018 STI) $313.65
|
 IN STOCK - LOW Perrin Performance Cold Air Intake PSP-INT-322BKPerrin 08-14 WRX / 08-17 STi Black Cold Air Intake (Will Not Fit 2018 STI) $313.65
|
 IN STOCK - LOW Mishimoto Air Intakes MMAI-STI-15RBWBKMishimoto 2015 Subaru STi Performance Race Intake w/ Box - Black $373.95
|
 $440.95
|
 IN STOCK Injen SP Intake SP1206WRInjen 2015 Subaru STi 2.5L 4 Cyl (Turbo) Wrinkle Red Cold Air Intake w/ MR Tech and Heat Shield $378.95
|
IN STOCK Perrin Performance Cold Air Intake PSP-INT-322RDPerrin 08-14 WRX / 08-17 STI Red Cold Air Intake (Will Not Fit 2018 STI) $313.65
|
IN STOCK Injen SP Intake SP1208WBInjen 18-21 Subaru WRX STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Black $344.95
|
IN STOCK Injen SP Intake SP1208PInjen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished $344.95
|
IN STOCK Injen SP Intake SP1208WRInjen 18-21 Subaru WRX STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Red $344.95
|
 IN STOCK Mishimoto Air Intakes MMAI-STI-15WRDMishimoto 2015 Subaru STi Performance Intake - Wrinkle Red $357.95
|
IN STOCK Torque Solution TB Spacer - Red TS-TBS-027RTorque Solution Throttle Body Spacer (Red) Subaru WRX 2006-2014 / STI 2004-2015 $81.88
|
IN STOCK - LOW Mishimoto Air Intakes MMAI-STI-15RBWBKMishimoto 2015 Subaru STi Performance Race Intake w/ Box - Black $373.95
|
