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  1. M

    Not your typical exhaust question.

    catbacks cost like 400 up to 700.. despends with one u want and wat kind of sound u want. pypes mid muffler cost like 370 $ it will give u like 5 to 10 hp..
  2. M

    Please Post Your Gas Mileage

    2009 mustang gt . auto ... 5365 miles... 13.4 mgp city ...
  3. M

    Horespower Gain from just a tune??

    so cal is waste of money but american muscle says cal with tuners get u like 40 hp ..
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