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Thread: Muffler for Hisun HS400?

  1. #1
    Member YS400's Avatar
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    Jun 2013
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    Question Muffler for Hisun HS400?

    The 400 has a spark arrestor. Quite loud. I have seen a [discontinued] after market muffler somewhere.


    It is inside the "muffler", but there isn't much muffling going on.

  2. #2
    Member YS400's Avatar
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    Jun 2013
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    The Silent Rider® ATV & UTV Exhaust Silencer!

    HISUN HS 500, HS 700 (do not fit Sector or Vector)

    e Silent Rider is an auxiliary muffler that when attached to your stock/OEM exhaust system quiets the popping noise of your ATV/UTV's stock muffler alone. It is easy to install and remove, giving you the flexibility to stalk your target in stealth, or have fun being loud.
    The Silent Rider is designed for 4-stroke gasoline engines only. Not for use with diesel engines. The Silent Rider does not reduce power or performance, but must be modified if used at high altitudes.
    Please indicate if you will be riding at high altitudes using the pull down menu at checkout. Feel free to email us at info@atvsilencer.com with questions.

    -Patented Technology
    -Custom Fit; Easy installation
    -14 gauge aluminized steel
    -Matte black finish

    -Heat Shield
    -Designed to fit around most racks, hitches and dump beds
    -1-year manufacturer's warranty and 30-day return policy

    UPDATE: http://utv-chat.com/showthread.php?1...9-ATV-Silencer

    As always, YMMV...

    Amazon reviews, it does cut noise at idle, but about the engine noise I'm not so sure....

    How to Repack a Muffler on an ATV or Motorcycle
    Last edited by YS400; 04-25-2019 at 09:37 PM.

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