Mazda MX-5 NC – 2.5L Duratec Swap | 183HP OEM+ by DMS TUNED

This Mazda MX-5 NC began life as a 1.8L and received a clean 2.5L Duratec swap focused on OEM+ drivability and sleeper character. The setup keeps things simple — smart hardware choices and proper calibration.

Mazda MX-5 NC 2.5 Duratec swap engine bay DMS Tuned

Setup Configuration

  • 2.5L Duratec engine (L5-VE)
  • 4-1 header (45mm)
  • Stock exhaust system
  • Stock intake system
  • Running on original 1.8 ECU
  • No VVT control

Dyno Results

Power: 183HP
Torque: 223Nm

Even without VVT control and running on the stock ECU, the engine delivers strong, usable torque and smooth power delivery. No excessive noise, no aggressive setup — just a clean, reliable OEM+ configuration with real performance gains.

Mazda MX-5 NC 2.5 swap dyno 183hp 223Nm

2.5 Swap Solutions by DMS TUNED

Explore our MX-5 engine upgrade options or learn more about available 2.5L Duratec engines in stock.

Interested in a 2.5 swap for your MX-5? Contact DMS TUNED for a tailored solution.