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backfire

Discussion in '2nd Generation Shelby Mustangs' started by robwidner, Aug 4, 2013.

  1. robwidner

    robwidner Well-Known Member

    Age:
    65
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    Location:
    louisiana,usa
    Hey, have any of you ever had your car backfire. Mine does, at certain times, such as when I just stomp on it. It sounds like it comes from under the car or at back of car ,possibly at mufflers. I have checked for codes with my SCT, but none are shown. I recently installed a VMP tuning 2.3 supercharger, along with a boost-a-pump. Justin Starkey at VMP tuning wrote me a custom tune for the setup along with all of my other mods. Any ideas?
     

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