What do you drive?
Search your car or a mod to see estimated horsepower, cost, difficulty, tools and install steps.
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Cars we cover
- CarMazda RX-82004–2011 · 8 mods
- CarMazda MiataNA/NB 1994–2005 · 7 mods
- CarHonda Civic Si10th gen 2017–2020 · 8 mods
More cars coming based on requests. Horsepower numbers are estimates based on typical results; real gains vary.