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New Tuning File Available: Subaru Impreza IV 2.0 D Stage 1 ECU Tuning File – Denso K903ZN4DT231JZ4A211B (Dimsport NewGenius) K903Z - Stage 1 tuning file for Subaru Impreza IV 2.0 D — enhanced torque and efficiency with Denso ECU via Dimsport NewGenius
Welcome to the official discussion thread for the Subaru 2.0 D tuning package. This calibration is specifically developed for the K903ZN4DT231JZ4A211B ECU and optimized to work seamlessly with the Switch gear.
Target Performance: 150.0PS / 110.3KW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: Subaru 2.0 D
Welcome to the official discussion thread for the Subaru 2.0 D tuning package. This calibration is specifically developed for the K903ZN4DT231JZ4A211B ECU and optimized to work seamlessly with the Switch gear.
Target Performance: 150.0PS / 110.3KW.
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- Stage 1 ECU tuning for Subaru Impreza IV 2.0 D (2011)
- Denso-based calibration with refined torque and fuel optimisation
- More responsive throttle and mid-range boost
- Fuel consumption reduced under partial loads
- No hardware changes required — safe OEM-level upgrade
- Compatible with Dimsport NewGenius OBD flash
- Checksum ready — no manual correction needed
- Delivered as a complete 2MB binary file
- Includes both Original and Stage 1 versions
- Tested on dyno — reliable and consistent performance gains
➜ Download Tuning File / View Full Specs