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Fiero muffler replacement

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  • #16
    I am regretting going 3".

    I should have done 2.5" pipe. Would of been quieter and at my power level, likely more torque.
    11.92 @ 122 MPH 3400 91 Cavalier Z24 Intercooled S/C. -totalled-
    10.56 @ 130 MPH 3900 LZ9 87 IROC Z28 Intercooled GT4088 Turbo

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    • #17
      Also, if you think that's bad, look up bosozuku cars..
      '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
      '86 Fiero, 3500, 4-speed

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      • #18
        No way I'm looking that up, I've seen as much as I can handle here.
        95 Beretta 3100 with 3400 intakes and TCE TB
        High flow cat and a Magnaflow muffler
        Grand Prix trans with 3.33FDR

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