Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B Stage 1  - Product specifications

Stage 1 tuning for 2.0 Boxer D — ECU-Nr. Prod: K903ZN4DT231JZ4A211B; enhanced mid-range torque & smoother shifts.
Stage 1 tuning for 2.0 Boxer D — ECU-Nr. Prod: K903ZN4DT231JZ4A211B; enhanced mid-range torque & smoother shifts.
Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B
Carefully remapped fuel-delivery and boost-pressure curves deliver stronger, more immediate mid-range pull while maintaining smooth drivability. Injection timing refinements reduce turbo lag and improve combustion efficiency. Ideal for spirited driving, this Stage 1 update also smooths shifts on the 6-speed manual gearbox for a refined driving experience.
Modified By
B&C Consulting via EVC reseller (bcconsulting.lu) 🇱🇺 Luxemburg

Overview Feature list Copyright info Releases (1) Discussion

  • Boost-pressure curve optimized for faster spool-up and stronger mid-range torque
  • Fuel-injection timing refined for cleaner combustion and reduced lag
  • Torque limiter increased for enhanced acceleration feel
  • 6-speed manual gearbox shift points adapted for smoother transitions
  • Idle and part-throttle maps tuned to preserve OEM-like smoothness
  • Diagnostic routines suppressed to avoid false fault codes

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