K&N Filters RU-4870 Universal Air Cleaner Assembly Features: Fit Wide Variety Of Applications Strong Pliable Rubber Flanges Absorb Vibrations Allow For Secure Attachment Can Stretch Up To 0.0625 in. Height: 11.00 Width: 6.38 Length: 6.38 Weight: 1.21 lbs 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^^2016/Subaru/WRX STI/Limited Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged^^2016/Subaru/WRX STI/Base Sedan 4-Door/2.5L 2458CC H4 GAS DOHC Turbocharged^^2015/Subaru/WRX STI/Limited Sedan 4-Door/2.5L...