SteamSpeed STX 71 Turbo for Subaru WRX 08-14 & LGT 05-09 8cm² (ported) accessory The STX 76R installed on

The STX 76R installed on a N55 on an engine stand:

The SteamSpeed SF 71 Ball Bearing Turbo delivers aggressive performance gains for your 2022+ Subaru WRX FA24

SteamSpeed STX 67R Ball Bearing Turbo for Ford Focus ST

so it is plenty capable of making even more power than that

manifold stud

SteamSpeed STX 71 Turbo for Subaru WRX 08-14 & LGT 05-09 8cm² (ported) accessory The STX 76R installed onUpgrading your turbo is one of the best horsepower increasing modifications you can make for your WRX STI. Also, selecting a turbo with the best components is essential to getting the most out of your investment. SteamSpeed Turbochargers combines the best in advanced compressor and turbine aerodynamics with OE quality manufacturing to produce the STX line turbochargers. The STX line of turbochargers from SteamSpeed feature Garrett GTX style billet