Quick view Perrin Performance Perrin Performance 2015-2017 Subaru STI FMIC Red Boost Tubes w/ Black Silicone Couplers - PSP-ITR-438-2RD/BK Compare $1,378.00 $1,171.99 Perrin Performance 2015-2017 Subaru STI FMIC Red Boost Tubes w/ Black Silicone CouplersThis Part Fits:YearMakeModelSubmodel2015-2020SubaruWRX STIBase2015SubaruWRX STILaunch Edition2015-2020SubaruWRX STILimited2016SubaruWRX STISeries.HyperBlue Add to Cart Add to Cart