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Thread: Muffler Question

  1. #1
    No Name
    Need some mufflers for a Mercury 525. I was in Havasu for desert storm with no problems. Going back next week for five days and I don't want to have to pull my boat out because I don't have them.
    What are some of the best ones ?
    How will they effect performance?
    Do I really need them in Havasu or will I be ok without them?
    Any info would be great.

  2. #2
    carbonmarine
    I have dual engines w/ 4.5 inch CMI's that were dry & WAY LOUD....
    I had Jim Wilkes put on The Gibson clamp on style mufflers.. I think they'er called " bullets " ?? ...
    ** Anyhow, I am quiet now, I dont even get a second look....

  3. #3
    Three Days Only
    Need some mufflers for a Mercury 525. I was in Havasu for desert storm with no problems. Going back next week for five days and I don't want to have to pull my boat out because I don't have them.
    What are some of the best ones ?
    How will they effect performance?
    Do I really need them in Havasu or will I be ok without them?
    Any info would be great.
    Call Shawn at Gibson Performance
    www.gibsonperformance.com
    I bought some of thier bullet slip ons, and never had a problem with the local LE, until I took them off. No perfromance loss, great product.

  4. #4
    No Name
    Looks like two for the Gibson Bullets. Thanks Guys.

  5. #5
    selfmade
    I also have the gibson bullets they work great and i didnt notice any power loss and best of all i installed them myself and i have no mechanical abilities whatsoever

  6. #6
    laveydayz
    Another Gibson Bullet vote.

  7. #7
    grads2112
    I have the Gattlins on my 525's and its too quiet... I'll be taking them off soon.

  8. #8
    cola
    I just put my Imco Gatlins on Thur. They are quiet. Good & bad. No power or RPM loss on HP500EFI.

  9. #9
    livin da dream
    I also have gibbsons on my Wellcraft-nice product. My friend has the GGB's and he loves them. They look very similar and are quiet. No noticable power loss and we can carry-on a conversation in the cockpit without yelling. The wifeys love them and that is what really matters to me

  10. #10
    No Name
    Thanks everyone….. Looks like the Gibson’s may be the way to go.
    I really like the way the boat sounds without mufflers and really don’t want them but I just don’t want to be looking over my shoulder all the time for LE.
    Hate to get caught ridding dirty. :cry: :cry:

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