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  1. my mazda 3 gs sedan neefd more powaa

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    Hey everyone! On a first time owner for Mazda! I bought the brand new 2014 Mazda 3 sedan 6spd standard. I had the exhaust done from axle back and straight pipped it at the flange into two 2 1/4 pipe at the back. I geek I might have lost torque? Any suggestions. Sounds very good! Rather not give...
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