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Subaru WRX & STI: Specialized Calibration & Diagnostic Services

Looking to get the most from your favorite Subie? At Speed Density Tuned, we specialize in providing professional calibration and diagnostic solutions for the Subaru enthusiast community. Our expertise with the WRX, STI, and other turbo models ensures that your fun streetcar, modified show car, or dedicated track build is operating with optimal performance and reliability.

We provide the power to create and apply a custom tune and data log your Subaru directly through its OBDII port. Our advanced tuning software and diagnostic tools offer unparalleled access and programming capabilities for the Subaru platform, giving you everything you need to achieve your goals.

Our team has a particular focus on perfecting MAF (Mass Air Flow) sensor calibration, a critical step for any modified Subaru. Through advanced data logging and meticulous tuning, we ensure your engine operates with ideal air-fuel ratios, preventing dangerous lean conditions and protecting your engine from damage.

Key Subaru Calibration Features

• No Lift Shift & Launch Control: We offer advanced performance options to give you a competitive edge on the track or the drag strip.
• Truly Custom Calibration: Our service provides more comprehensive and precise customization compared to common off-the-shelf tunes, ensuring a perfect calibration for your unique vehicle.
• Direct OBDII Access: We can read, edit, and write custom tunes directly through the OBDII port, with no need to modify or exchange your Subaru’s ECU.
• High-Speed Data Logging: We perform high-speed data logging to build and verify a truly custom tune, ensuring full control over a massive range of engine parameters.