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  1. 2010-13 Mazdaspeed 3 Engine and Performance
    If you have a MS3 try this. Log a couple of wot runs on your Cobb AP, then input them on this virtual dyno. Pretty sure the HP/TQ numbers are in WHP. Subi forums say it's accurate. I think it is. My HP/TQ are in line with what Cobb states the increases are for the map I'm running. Says I've...
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