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Add resonated exhaust tips?

Discussion in 'Technical Q&A' started by snj5, Aug 24, 2004.

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  1. snj5

    snj5 F1 World Champ

    Feb 22, 2003
    10,213
    San Antonio
    Full Name:
    Russ Turner
    #1 snj5, Aug 24, 2004
    Currently have free-flow muffler on 3.2 (single 3" in, dual 2.5" out) exiting through two twin 3" open tips. Am looking at quieting and smoothing a little, and was looking at replacing the two open twin tips with 2 Ansa twin resonated tips with a 10" resonator length (somewhat like many 12 cyl F-cars).

    Can anyone comment on the change in sound or other issues expected by adding resonated tips?

    Many thanks
    rt

    Current set-up sounds actually better to me than previous stock or Tubi (much deeper sound), but want a little less volume.
    See post #1 for photo:
    http://ferrarichat.com/forum/showthread.php?t=16135&page=2&pp=20&highlight=magnaflow
     
  2. Mike C

    Mike C F1 Veteran
    Lifetime Rossa Owner

    Aug 3, 2002
    6,081
    Southeast USA
    Full Name:
    Mike Charness
    #2 Mike C, Aug 24, 2004
    The Stebro has resonated tips, with removable inserts. Without the inserts, it sounds like a track-only Ferrari race car (L_O_U_D), and when I was at the track last time, I only took them out of two of the four tips, or it hurt my ears, even with a helmet on.

    With the resonated tips, the Stebro sounds like a Tubi with open tips on a similar car.
     
  3. Ed P.

    Ed P. Formula 3

    Dec 28, 2002
    2,177
    Long Island
    Full Name:
    No Longer
    #3 Ed P., Aug 25, 2004
    pssst..... don't mention that company around Russ.... ;)
     
  4. snj5

    snj5 F1 World Champ

    Feb 22, 2003
    10,213
    San Antonio
    Full Name:
    Russ Turner
    #4 snj5, Aug 25, 2004
    :)
     
  5. mike

    mike Formula Junior

    Nov 2, 2003
    721
    Colorado
    Full Name:
    Mike
    #5 mike, Aug 25, 2004
    Rt, I did almost exactly what you're thinking about doing! I had an '80 308 with Borla and wanted to quiet it down a bit so a friend and i modified it by cutting the tips off, and replaced them with Ansa tips. The sound was great, but remember, Borla is one of the loudest. Probably from quietest to loudest I would rate, Ansa, Tubi, and Borla. If you're not doing the work yourself, make sure you get a good machine shop to cut the ends off and a good welder (stainless??) for the end product. the only difficult aspects I had were making sure the tips were perpendicular (sp?) to the exhaust and of course the final adjustments were done with the devices that hold the unit to the frame, (can't remember their name)
     
  6. snj5

    snj5 F1 World Champ

    Feb 22, 2003
    10,213
    San Antonio
    Full Name:
    Russ Turner
    #6 snj5, Aug 25, 2004
    mike
    terrific info - many thanks!!
    How much change in tone and volume did the Ansa tips make?
    best
    rt
     

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