Great news – on this purchase, you'll enjoy a BuildBUX bonus of $20.15.
Product Fitment:
2002-2007 Subaru WRX
2004-2021 Subaru STI
Unlock serious power with the Blouch 520HP Turbo Upgrade for your Subaru WRX/STi. Engineered for high-flow efficiency and fast spool, this turbo delivers up to 520 horsepower with OEM-like responsiveness.
Supports Up to 520HP
Designed for high-performance Subaru WRX/STi builds.
Blouch 71mm G2 Compressor Wheel
Delivers 52 lbs/min of airflow for outstanding top-end power.
Custom Low-Friction Ceramic Ball Bearing CHRA
Provides fast spool, low inertia, and long-lasting reliability.
High-Flow 56.5mm Turbine Wheel
Engineered for reduced backpressure and increased efficiency.
Optional Exhaust Housings
Choose between 8cm or 10cm housing to tailor response and flow to your setup.
Balanced Performance
Ideal for street or track builds seeking serious power without sacrificing drivability.
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