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  1. CarolusRex98

    Muffler mid-way band...

    Ok the part im talking about is what i would call chassis but the muffler is engine so if your a admin or what not feel free to move it if you please, so the band half way up the muffler, i cant find one for my powercore 4, where do you find one, or do you make it...
  2. CarolusRex98

    Jetting for powercore 4 ???

    I got a FMF Powercore 4 for my '98 WARRIOR and I already have my big gun header ( they don't even make them anymore ) I have it jetted for my header would I have to jet it for the Powercore 4