The Blouch 18G-XT Subaru WRX turbo upgrade is a custom-built bolt-on turbo that balances good spool-up with killer top-end punch. The proprietary Blouch turbine housing makes the turbo a direct bolt-on for WRX or STi.
The latest "XT" version of this turbo features a die-forged billet aluminum and CNC-machined compressor wheel, which is lighter, stronger, and more effieicent than a traditional cast compressor wheel, for faster spool and better power.
The center section is cooled by both oil and water, just like your stock turbo. If you want even higher performance, upgrade your 18G with Jet Hot high-temp ceramic coating on the turbine housing. Turbine housing porting (smoothing and shaping of the turbine outlet) is standard on all Blouch 18G turbos.
Includes coolant supply line with banjo bolt and seals, oil return line with gasket and bolts, and inlet and outlet gaskets. The coolant pipes and oil return line are pre-installed to make your installation easier. An optional feed line is available -- see below.
A bolt-on fit for all 2002-07 WRX. Great for big-power 2.0 liter engines!
15-psi Wastegate Actuator UpgradeThe standard 11psi actuator will allow up to about 20 psi of max boost. Get this upgraded actuator if you'd like to run more boost than that. (15 psi will be the minimum boost the turbo will make once fully spooled.)
Coated Turbine HousingAvailable with purchase of turbo only.