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Magnaflow axle back install problems

Discussion in 'SVT Shelby GT500' started by JRMotorsports55, Sep 9, 2018.

  1. JRMotorsports55

    JRMotorsports55 Member Established Member

    Jul 10, 2015
    Seven Hills, OH
    Bought a lightly used magnaflow axleback for my 07 and after pulling off the flowmaster muffler, I tried installing the Magnaflow muffler and with the clamp fully tight, it was still loose. Anyone ever have this problem? I think I have a pipe expanded, so I may try opening up the stock pipe that the muffler slips on to. Pretty crazy how heavy the flowmaster is in comparison to the Magnaflow muffler.

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