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stage 3 performance tuner
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  1. ATS Performance Forum
    I have a 2017 ATS 2.0T with a few minor mods I have done myself. Catless DP, K & N Filter, larger silicone induction hose and MAP Hose also a Larger Throttle body. So I was surfing other mods and came across a JDM3 performance tuner (Stage 3) and with so many reviews both ways I ended up buying...
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