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Best RX-8 mods for beginners
Easiest and cheapest first.
| Mod | Gain | Cost | Difficulty | Time |
|---|---|---|---|---|
| Ignition coils + spark plugs | Restores lost power | $150–$350 | Easy | 1.5–2.5 hrs |
| Performance brake pads + fluid | Stops better | $180–$320 | Medium | 2–3 hrs |
| High-flow cat / midpipe | +5–10 whp | $200–$600 | Medium | 1–2 hrs |
| Radiator + cooling upgrade | Protects the engine | $330–$650 | Medium | 3–5 hrs |
| ECU tune | +8–15 whp | $400–$800 | Medium | 1–2 hrs |
| Cat-back exhaust | +0–3 whp | $400–$1,000 | Medium | 1–1.5 hrs |
| Coilovers | Handling + stance | $1,100–$2,000 | Hard | 4–6 hrs |
HP numbers are wheel-horsepower estimates.