AEM Induction 21-735WR Cold Air Induction System Fits 15 WRX STI Height: 12.250 Width: 12.250 Length: 20.250 Weight: 9 Fitment: 2017/Subaru/WRX STI/Sport-tech Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged^^2017/Subaru/WRX STI/Sport Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged^^2017/Subaru/WRX STI/Limited Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged^^2017/Subaru/WRX STI/Base Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged^^2016/Subaru/WRX STI/Series.HyperBlue Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged::Not Legal For Sale Or Use In California^^2016/Subaru/WRX STI/Limited Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged::Not Legal For Sale Or Use In California^^2016/Subaru/WRX STI/Base Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged::Not Legal For Sale Or Use In California^^2015/Subaru/WRX STI/Limited Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged::All Intake Tube Por...