SteamSpeed STX 63 Turbo for Subaru WRX & STI Size:7cm² non-ported Turbo Specs:

Turbo Specs:

our testing shows roughly a 20% power gain vs the just the bolt-ons and the stock turbo with just 16 psi of boost

The idea was to take a stock N55 car running pump gas and a conservative amount of boost

Our SteamSpeed STX 63 turbo is designed specifically for the WRX/STI owner who values a super-responsive stock-like turbo

SteamSpeed STX 63 Turbo for Subaru WRX & STI Size:7cm² non-ported Turbo Specs:It 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