Subaru unleashed its most powerful WRX— the S209—into America in 2019. But as the S210 successor surfaces, we are hearing that it may not come to our shores.

Instead, the WRX STI S210 features a specially tuned Subaru Performance Transmission ... gets a retuned ECU as well as upgraded intake and exhaust parts that Subaru says will help the engine ...

The S210 is the first “S-series” STI to feature Subaru’s Performance ... flat-four as the standard WRX but with enhancements like a revised intake, an upgraded exhaust system, and a tweaked ...

The TR could be considered an “STI lite” version of the WRX. It gets an upgraded performance suspension for sharper handling, just like the departed STI, but unlike the STI, it doesn’t get a ...

Based on the 4-door SUBARU IMPREZA WRX STI, S206 is the newest model in STI's "S" series. This series dons the crown of STI tuned cars with advanced driving performance and exclusively-made items ...

For decades, Subaru’s STI performance models have excited enthusiasts. Sure, we’re still waiting for them to release a legitimate STI version of the current WRX, but there are plenty of crazy ...

Built to the same specification as the WRX STI S208’s turbocharged 2-litre flat-four, the RA-R’s engine benefits from a remapped ECU, a performance exhaust system and revised cooling.