Mazda MX-5 NC 1.8 Stage 1 – 151HP Upgrade

Stage 1 upgrade on a Mazda MX-5 NC 1.8, focused on improving breathing efficiency and extracting more usable power from the stock engine setup.

Vehicle Configuration

  • Engine: 1.8L MZR
  • Headers: 4-1 performance manifold
  • Intake: Stock air box
  • Exhaust: Stock system
  • ECU: Factory ECU custom tuned by DMS Tuned

Dyno Results

  • Stock: 141HP / 170Nm
  • After Stage 1: 151HP / 182Nm
  • Gain: +10HP / +12Nm

With optimized ignition timing, fueling adjustments and improved exhaust flow from the 4-1 headers, the engine now delivers stronger mid-range torque and sharper throttle response while maintaining OEM reliability.

Project Gallery

Mazda MX-5 NC 1.8 Stage 1 4-1 headers installation by DMS Tuned MX5 NC 1.8 dyno results after Stage 1 ECU tuning Mazda MX5 NC 1.8 engine bay with performance headers MX5 NC 1.8 Stage 1 tuning process by DMS Mazda MX5 NC 1.8 151HP dyno sheet by DMS Tuned

Related Services

MX-5 ECU Tuning
Performance Headers Installation
Dyno Testing & Calibration