SteamSpeed STX 71+ Turbo for Subaru WRX & STI 10cm² (ported) w/ 3" inlet BMW SteamSpeed 3 port Electronic Boost

SteamSpeed 3 port Electronic Boost Controller aids in superior boost control versus oem spec boost controllers

These are for use with any of the SteamSpeed Wastegate Pro actuators and all TurboSmart IWG75 actuators

and simply replace the sticker

this type of controller would be used with the larger external wastegates

SteamSpeed STX 71+ Turbo for Subaru WRX & STI 10cm² (ported) w/ 3" inlet BMW SteamSpeed 3 port Electronic BoostIt is well known that upgrading your turbocharger with a larger SteamSpeed STX turbocharger is one of the most cost effective ways to increase power on your WRX STI; however, it is less known that sizing the turbocharger to match your performance goals has a huge impact on how well the turbo works with your other mods, how responsive your throttle is, and how fun your car is to drive. The good news is that we make a SteamSpeed STX turbo to fit nearly