L25–HIKARI (光) • OEM+ Street • 230–240 hp
Refined daily response — the NC Mazda should have built.
Smooth, efficient power with factory manners. Calibrated for crisp throttle, quiet cruise, and long life.
Quick Specs
Engine Base
2.5L L5-VE with VCT (OEM long-block)
2.5L L5-VE with VCT (OEM long-block)
Induction
Naturally Aspirated (NA)
Naturally Aspirated (NA)
Output (dyno)
230–240 hp • 270–290 Nm
230–240 hp • 270–290 Nm
Calibration
DMS NA street map • clean transients • OEM manners
DMS NA street map • clean transients • OEM manners
OEM+
Designed for daily use: reliable warm starts, stable idle with A/C, smooth part-throttle and consistent economy on motorway cruise.
Drivability
We prioritize pedal linearity and torque shaping so the car feels lighter and more responsive without NVH penalties.
Build Sheet
- 2.5 VCT long-block (health-checked: compression & leak-down)
- Stage 2 NA cams (street profile)
- 45 mm performance header + high-flow exhaust
- Panel intake or mild CAI (MAF scaling retained)
- DMS ECU calibration (NA street)
Chassis & Suspension
- Aim: OEM+ comfort with crisp response — daily-first.
- Sport dampers + mild drop (≈20–25 mm)
- Bushings: fresh rubber; selective poly on front ARB only
- Sway bars: +10–15% front, stock rear
Brakes & Wheels/Tyres
- Street performance pads • fresh DOT 4 • braided lines
- 17×7–7.5 with 215/45-17 UHP street tyre
Safety & Structure
- Optional bolt-in rollbar (no trim cutting)
- Keep OEM seats & belts for comfort and usability
Alignment (Street)
- Front: −1.2° camber • ~6.5° caster • 0.05° toe-in/side
- Rear: −1.0° camber • 0.10° toe-in/side
What HIKARI Delivers
| Area | What you feel |
|---|---|
| Throttle | Smoother ramp, quicker tip-in without jerk |
| Midrange | Linear, sustained pull 3–6k rpm |
| Cruise | Quiet, efficient, OEM-like behaviour |
| Serviceability | Simple, durable parts; stock-friendly |
Build Idea
Modern OEM performance trim: quiet cruise, crisp throttle, no drama. Respectful to ride quality and budget—perfect for road trips and daily use.