Mazda MX-5 NC 2.5 Engine Swap – 215HP by DMS TUNED

This MX-5 NC started life as a 1.8L model and was transformed into a 2.5L Duratec swap, professionally tuned by DMS TUNED. The result is strong mid-range torque, smooth throttle response and reliable power delivery for both road and track use.

Mazda MX5 NC 2.5 swap DMS Tuned MX5 NC 2.5 engine bay Duratec swap MX5 NC dyno session 2.5 swap MX5 2.5 headers and intake setup Mazda MX5 NC 2.5 dyno graph

Build Specification

  • Base chassis: Mazda MX-5 NC 1.8
  • Engine: 2.5L Duratec swap
  • DMS TUNED Stage 1.5 camshafts
  • 45mm 4-1 headers
  • Stock exhaust system
  • Ramair intake
  • Custom ECU calibration by DMS TUNED

Dyno Results

  • Final Output: 215HP
  • Torque: 266Nm

Calibration Focus

The tune was optimized for proper VVT control, ignition timing stability and balanced AFR targets across the rev range. The result is strong linear torque delivery and excellent drivability without compromising reliability.

MX-5 2.5 Swap & Tuning Services

Learn more about our Mazda MX-5 performance solutions, including custom ECU remapping and full engine swap support.

Ready for Your 2.5 Swap?

Contact DMS TUNED to discuss your MX-5 build.