MX-5 NC 2.5L Swap — 2020 Build, 2024 Remap Update

One of our early 2.5L swap builds from 2020, still running strong. In 2024 the car returned for a fresh DMS calibration update and hardware refinement.

Build Specification

  • 2.5L Duratec swap (installed 2020)
  • 45mm performance headers
  • Full 70mm exhaust system
  • Ramair intake system
  • 4.44 RX-8 LSD differential
  • Stock ECU — DMS custom calibration

2024 Calibration Update

Refined ignition mapping, optimized fueling strategy and improved torque delivery. Focus on smoother mid-range and stronger top-end pull while maintaining daily reliability.

Related Products

2.5L 220hp Performance Package
4-1 Performance Headers
2.5L Engine Configurator

Upgrade Your MX-5

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