muffler intake hole size 48 indian

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  • cscott
    Senior Member
    • Oct 2002
    • 450

    #1

    muffler intake hole size 48 indian

    wonder if anyone drilled out the muffler inlet plug to a larger size for more flow, this has a 1/2 " hole seems small ??? thanks chris
  • tomfiii
    Senior Member
    • Jun 2007
    • 311

    #2
    That hole is end cap of baffle in muffler, I have used a 3/16" drill end drilled several holes around center hole for flow.

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