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  • help... exhaust popin' sound + hesitation

    Hi, i floored my 97 bird to pass someone on the highway and i heard a loud POP sound, now whenever i accerlate i here a popin' sound like ? like exhaust and my car hesitates. I only does this in gear, its fine if i rev it up in neutral or park. I had some tips and a dynomax put on a few months ago, could this be related ? O2 problem or could my cat. be clogged. Any ideas welcome cause i can't get it looked at till monday, thnx

  • #2
    plugs, wires, or coils.

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    • #3
      when i blew my first 2 cats, they would make a popping sound at higher rpms and it would hesitate really bad above 3k rpms....
      R.I.P \'99 Firebird, you will be missed<p>New toy - 2001 GSXR-750, Yoshimura Exhaust, Power Commander, Rebuilt Airbox

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