AEM Air Intakes for the Subaru WRX STI

Subaru WRX STI Air Intake Systems

Free shipping on any AEM air intake!
  • Simple way to increase power and torque
  • Enhanced Engine Sound
  • Up to 100,000 miles of use before cleaning needed
  • Lifetime Limited Warranty
Custom designed AEM air intakes for Subaru WRX STI models will add performance.
Subaru WRX STI air intake systems from AEM
Vehicle DescriptionPart NumberProduct Image 
2017 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2017 Subaru WRX STI 2.5L H4 F/I Air Intake
21-735WB AEM-21-735WB SUBARU WRX STI AEM Intake System
List Price: $418.19
Factory Direct Price: $283.99
2017 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2017 Subaru WRX STI 2.5L H4 F/I Air Intake
21-735WR AEM-21-735WR SUBARU WRX STI AEM Intake System
List Price: $433.59
Factory Direct Price: $293.99
2016 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2016 Subaru WRX STI 2.5L H4 F/I Air Intake
21-735WB AEM-21-735WB SUBARU WRX STI AEM Intake System
List Price: $418.19
Factory Direct Price: $283.99
2016 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2016 Subaru WRX STI 2.5L H4 F/I Air Intake
21-735WR AEM-21-735WR SUBARU WRX STI AEM Intake System
List Price: $433.59
Factory Direct Price: $293.99
2015 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2015 Subaru WRX STI 2.5L H4 F/I Air Intake
21-735WB AEM-21-735WB SUBARU WRX STI AEM Intake System
List Price: $418.19
Factory Direct Price: $283.99
2015 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2015 Subaru WRX STI 2.5L H4 F/I Air Intake
21-735WR AEM-21-735WR SUBARU WRX STI AEM Intake System
List Price: $433.59
Factory Direct Price: $293.99
2014 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2014 Subaru WRX STI 2.5L H4 F/I Air Intake
21-478WR AEM-21-478WR SUBARU WRX STI AEM Intake System
List Price: $383.49
Factory Direct Price: $259.99
2013 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2013 Subaru WRX STI 2.5L H4 F/I Air Intake
21-478WR AEM-21-478WR SUBARU WRX STI AEM Intake System
List Price: $383.49
Factory Direct Price: $259.99
2012 SUBARU WRX STI 2.5L H4 F/I - All
Automotive
2012 Subaru WRX STI 2.5L H4 F/I Air Intake
21-478WR AEM-21-478WR SUBARU WRX STI AEM Intake System
List Price: $383.49
Factory Direct Price: $259.99

Subaru WRX STI Air Intakes from AEM are engineered to outperform. Take a look at all AEM Subaru air intake systems.