exhaust leak help

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  • tbirdhd
    • Jan 2026

    #1

    exhaust leak help

    any one know of any way to seal the exhaust tubes ,where the head pipes go in to the collector ,on 4 into 1 , I tried a exhaust pipe expander but #4 , will not seal , and it is causing it to pop back till it gets hot , I tried to put pics on but keep failing ,.
  • steve murdoch
    Forum Guru
    Past Site Supporter
    • May 2004
    • 8491
    • St. Catharines, On.

    #2
    I used Permatex Ultra Copper on a collector/header connection and a baffle/megaphone connection with good results.
    A thin bead that stayed pliable for years.
    You can get it anywhere.
    https://www.rockymountainatvmc.com/p...e-RTV-Silicone
    2@ \'78 GS1000

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    • tbirdhd

      #3
      thanks Steve , i will get some today, the only thing i could think of was to melt some lead in to the leak , but i like Permatex Ultra Copper better, lol

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