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  1. TSP Stage 1 Tune for the 2017+ Civic Si (Cobra Race Support Included!)

    Dumb question, when uploading the tune, does it default to MAP3?

  2. Stage 1 Tune

    My younger brother text me the link to your tune. I am going to purchase this sometime this week. Keep up the awesome work!

  3. Stage 1 Tune

    I'm sure alot of people has seen this but I wanted to share just in case. https://twostepperformance.com/products/tsp-stage-1-tune-for-2017-honda-civic-si




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