2015-2021 STI Mods, Aftermarket & Replacement Parts

The fourth generation Subaru STI is the perfect depiction of sport-style rawness in a sedan. Subimods offers the widest selection of the best aftermarket parts & modifications available to improve this already great platform! With top brands like GrimmSpeed, Kartboy, Perrin, Cusco, FactionFab, ETS & more, you'll find quality aftermarket performance parts & OEM replacement parts for any & every piece of your STI at a great price.

Take the performance & look of your STI to the next level with mods & upgrades to your exhaust, suspension, exterior, engine, brakes & so much more.

Parts compatible with: 2015, 2016, 2017, 2018, 2019, 2020 & 2021 Subaru STI.