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Racechip or jb4 with mppk
New here so I don’t know what is best. I have a 2016 msport xdrive35i with mppk and mpe. Car needs some more reliable power than it has. I have 93 octane where I live and am probably not going any further than this except a drop in filter. I’m leaning racechip for simplicity. Any advice? Thanks
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