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Muffler Mod

Discussion in 'Homeowner Helper Forum' started by JustaHatRack, May 29, 2018.

  1. JustaHatRack

    JustaHatRack ArboristSite Lurker

    May 26, 2018
    Likes Received:
    Little Rock, Arkansas
    What yall think about doing the Poulan Pro PR5020 50cc muffler mod where you drill a ½” hole between the 2 screws in the muffler? Saw it on a YouTube even with a side by side comparison but my old damaged ears couldn't tell the difference. Plus if someone was trying to prove a point they could easily push down harder with the one saw they wanted to win the comparison. Your thoughts?
    Thanks for your time and sharing your experience.
  2. b fish

    b fish ArboristSite Operative

    Jul 12, 2015
    Likes Received:
    Blue Mtns
    I don’t know about your particular model, but any saw can benefit from opening up bottle neck in exhaust. Just make sure you retune carb properly to realize your gain, and keep engine from going lean!

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