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  1. #1
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    robert batt
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    Default Is this a bad idea?

    I have a manual 1995 456. Itís just a bit too quiet for my liking.

    Has anyone tried something like Tubi back boxes on a 456 or 550? Was it a mistake?

    Quick silver also make back boxes for the 456.

    Also, if anyone knows of any used Tubi or Quicksilver back boxes please let me know.

    Thanks

  2. #2
    F355GTS's Avatar
    F355GTS is offline Shocking waste of good kevlar - The Ferrari Enzo Club Member
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    Mark Collins
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    I had back boxes on my 550, overall it sounded much better than standard, It did introduce significant drone at constant throttle speeds though

  3. #3
    Modificato is offline Nowhere to put the shopping -The Ferrari F40 Club Member
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    had back boxes on my 456GT's

    Worked a treat - The silencer delete ones are a bit rude

  4. #4
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    I have a Tubi on my 360 and there is a drone noise when traveling at a constant speed. Difficult to talk in the cabin.

  5. #5
    Kyodo's Avatar
    Kyodo is offline Frankenstein's monster - The Ferrari F430 Club Member
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    Quote Originally Posted by Mark Blanchard View Post
    I have a Tubi on my 360 and there is a drone noise when traveling at a constant speed. Difficult to talk in the cabin.
    I took a 360 Spyder on a test drive a few years ago, equipped with a Tubi and the noise was fun for about three minutes! I think it depends which level you have. A guy local to us had a Modena with another Tubi and that sounded epic.

  6. #6
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    Default

    V8's and V12's sound very different so not really comparable.

    I experimented quite a lot with 550's. There are two types of Tubi backbox, a quieter version and a louder one (you can tell them apart as the louder one is basically a straight pipe). In addition the 550 has a centre section that you could also change for a Y or cross pipe which was then later standard on the 575. The best solution I found for me was a centre pipe and quieter backboxes. I also got very expensive carbon airboxes from Autofficina which gave a great induction sound and allegedly helped with temperatures in the engine bay.

    This setup gave a real muscle car growl at low revs but not excessive, it wasn't loud enough to be obnoxious and very bearable in the cabin, could listen to the radio no problem. At higher revs it sounded fantastic but still in character I felt for a powerful GT car.

  7. #7
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    kett
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    Not Ferrari, but I temporarily had a Quicksilver backbox fitted to my V6 Clio.
    The drone inside the cabin was unbearable.

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