Mazda MX-5 NC 2.5L – DMS Stage 2.5 Naturally Aspirated Build | 226HP

This Mazda MX-5 NC 2.5L Duratec received our full Stage 2.5 naturally aspirated performance package, developed and calibrated entirely in-house on the DMS dyno. The result is a balanced, high-response setup focused on mid-range torque and extended top-end power.

Mazda MX-5 NC 2.5 Stage 2.5 engine bay DMS Tuned

Stage 2.5 Setup

  • DMS Stage 2.5 camshafts
  • Upgraded valve springs
  • Ramair intake system
  • 45mm 4-1 decat headers
  • Full 70mm decat exhaust system
  • DMS custom ECU calibration

Dyno Results

Final Output: 226HP / 284Nm

The calibration focused on camshaft phasing optimization, precise fueling control and refined ignition strategy. Power delivery remains smooth and progressive, with strong mid-range torque and crisp throttle response.

Each DMS Stage 2.5 package is individually tuned to ensure maximum performance and long-term reliability.

Mazda MX-5 NC 2.5 dyno 226hp DMS Tuned

2.5 Duratec Performance Packages

Explore our MX-5 engine upgrade options or learn more about 2.5L swap solutions.

Interested in upgrading your NC to Stage 2.5 specification? Contact DMS TUNED.