SteamSpeed STX 76+ Turbo for Subaru WRX & STI 10cm² (ported) Turbo This means that JB turbos

This means that JB turbos become inefficient much more often than a BB CHRA which can stay efficient in the face of high levels of backpressure

- turbine wheel: 60mm inducer

or competing aftermarket options

These actuators have a ring that screws on to hold the two halves of the actuator together

SteamSpeed STX 76+ Turbo for Subaru WRX & STI 10cm² (ported) Turbo This means that JB turbosUpgrading your turbo is one of the best HP 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 Turbocharges 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 compressor