Looking for very small/short mufflers... | FerrariChat

Looking for very small/short mufflers...

Discussion in 'Technical Q&A' started by carguy, Feb 28, 2006.

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  1. carguy

    carguy F1 Rookie

    Oct 30, 2002
    3,424
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    Jeff
    I'm looking for some very small but hopefully good flowing stainless steel mufflers. The muffler body length can only be maybe 8 to 9 inches in length and no more than maybe 3.25 inches in diameter. Another idea is maybe a glasspack style muffler that flows into a nice angle-cut tip. Think of the KBD or Targa type mufflers for Corvettes and you'll get the idea. With this style the overall length can be maybe 16 inches or so, but the diameter can only be 2.5 inches max. I'll try and attach a link so you can see what I mean.
    http://www.madvet.com/shop?frame=1.119.991
    I've searched the net and contacted a couple of places but everything seems to be too long, or too big in diameter, or both. Does anyone out there know of a source for something like this? Thank You......Jeff
     
  2. Meister

    Meister F1 Veteran
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    Apr 27, 2001
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  3. Meister

    Meister F1 Veteran
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    #3 Meister, Mar 1, 2006
    Last edited by a moderator: Sep 7, 2017
    Sorry, that link doesn't take you to the right place.

    Here's a pic and part number you could search it that way

    Summit# MPE-14416

    Might not even be close to what you are looking for but you might find something at summit.

    These are about 4" outer diam, overall length 20" or so...
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  4. 285ferrari

    285ferrari Two Time F1 World Champ
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    Sep 11, 2004
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    Magnaflow
    Dynomax
    Hooker
    Flowmaster
    Borla

    All make universal muffler applications
     
  5. carguy

    carguy F1 Rookie

    Oct 30, 2002
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    Thanks Everbody for taking time to respond to my request.

    Meister: The application is for a Testarossa. I have a nice Borla system consisting of 4 individual pipes, mufflers, and tail pipes. But would like to make a simpler, lighter system. I currently have just 2" pipes from the headers and out the tail end of the car...nice but LOUD! I made up a set of tail pipes with auger inserts, sounds great but still a guaranteed ticket for noise (....our should I say music?). I have 4 Magnaflow glasspack style mufflers, the shortest and smallest they make....these sound pretty good but are still too long.

    Size constraints: The only places where the pipes are straight is just at the headers for about 10 inches, and at the tail pipe area where you have maybe 15 or 16 inches total length...and this must include the tips. Diameters area also tight. If I use mufflers off of the headers the maximum diameter can only be about 3.25 to 3.5 inches. If I use the style of muffler from Mid-America Corvettes as linked to in my original post the diameter can only be 2.5 inches maximum.

    I'm even looking into Motorcycle mufflers as a possibility. The search continues....I'm not giving up easily......
     
  6. parkerfe

    parkerfe F1 World Champ

    Sep 4, 2001
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    Try www.supertrapp.com
     
  7. snj5

    snj5 F1 World Champ

    Feb 22, 2003
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    Would agree with Supertrapp for your application the way you describe it - you could just run a set out the back and you're done, and adjust the volume to boot.
     
  8. carguy

    carguy F1 Rookie

    Oct 30, 2002
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    I have looked at supertrapps, but remember we are exiting out a very small opening at the rear bumper and you can only run a pair pipes at 2.5" diameter or so. Most supertrapp applications are 4" or more in diameter, and quite pricey. I have some friends who run supertrapps and I must say I'm not that crazy about their appearance after some use. The tunability of them is terrific though.

    I'm probably going to buy some "twin mufflers" from Mid-America and just cut off the joining Y-pipe portion and weld on an elbow to hook them up to my current pipes. I'll scan the web for a few more days and look at as many ideas as possible.....but I'm thinking my options are very limited. And again Thanks to all who have posted...I appreciate it.....keep the ideas coming.
     
  9. sparky p-51

    sparky p-51 Formula 3

    Aug 8, 2004
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    Those s. steel side by side Stingers sure look like the back side of Bills setup. My muffler guy here wont even give it a try. Still think there must be something out there for us TR guys besides 2k-4k exhaust setups. Keep punching away Jeff.
     
  10. senna21

    senna21 F1 Rookie

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  11. Meister

    Meister F1 Veteran
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    So you are going straight back from each side/bank... no cross-over and then out?
     
  12. parkerfe

    parkerfe F1 World Champ

    Sep 4, 2001
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    FYI, Supertrapp makes in-line mufflers that you could mount in the engine compartment and run exhaust tips of your choice. http://www.supertrapp.com/product_sections/cat.asp?CatID=38
     
  13. carguy

    carguy F1 Rookie

    Oct 30, 2002
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    Sparky p-51: Your on the right track...I would like to duplicate Bill B's setup in stainless steel.

    Thank You everyone for your suggestions.
    Burns Stainless makes awesome products no doubt. So does Supertrapp. I have checked out their products. It's a catch-22 because when the muffler length is short enough the diameter is too big. And when the diameter is okay then the length is too long. Here are some of the issues:

    Muffler Length: This is the length of the muffler "can" or "body" and usually does NOT include the length of the inlets and outlets. So a muffler quoted as 14" long will be 20" overall. The longest straight portion in my system is about 16" and that is at the tail pipe section. The only other straight portion in the system is the pipe coming right from the header at a length of about 10".

    If I run mufflers directly off the headers, the TOTAL length can be only 10" and this includes inlets and outlets (body length will be about 6"). And the maximum diameter can ONLY be about 3.5 inches. Any bigger diameter and the mufflers will NOT fit to the spacing of the header outlets. Remember a TR has four headers arranged in pairs of 2. If the mufflers are too long then they won't fit the car with the under-bumper valence panel on.

    There is room for "something" at the tail pipes but the diameter CANNOT be any bigger than 2.5" or it WILL NOT have enough clearance at the body openings.

    I'm sure I've confused all of you by now. But I must stress that space if very tight. I don't want to do a cross-over system. I want to keep things as short, light, and simple as possible. I will take a pic of what I've cobbled up and post it later this evening. I think it will clear up a lot of the confusion and show why this is such a difficult problem to solve.

    Thank You Again for all your ideas...
     
  14. sparky p-51

    sparky p-51 Formula 3

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    #14 sparky p-51, Mar 1, 2006
    Last edited by a moderator: Sep 7, 2017
    Stainless would be awsome Jeff, but I'd be happy with steel. Put up this pix of Bills pipes so that you all may get the scope of how little room there is to work with. Measurements are approximate and the entire lash up is only about 30 in. long and has lots of bends.
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  15. senna21

    senna21 F1 Rookie

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    I believe the Burns units are measured inlet to outlet. Not just the muffler section. They do have a 6" but I'm not sure how much "muffling" that'd give you. OD on the unit is 4.5" with a 3" ID. Too bad about not being able to go past 10" length. I'd figured the 12" (end to end) unit would have been perfect.

    They also work these into header mufflers. You can check it out on their site.
     
  16. carguy

    carguy F1 Rookie

    Oct 30, 2002
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    #16 carguy, Mar 1, 2006
    Last edited by a moderator: Sep 7, 2017
    I'm sorry for the crappy pics....but here is just a mock-up of what I'm working on. Please take a look and see just how little room there is. Please keep in mind that the MAXIMUM DIAMETER that will fit off the headers is about 3.5 inches, and the MAXIMUM DIAMETER that will fit at the tail pipes is about 2.5 inches. The MAXIMUM LENGTH that will fit off the headers is about 6" or 7" body length. The MAXIMUM LENGTH at the tail pipes is about 16" or 17".

    I truly appreciate all the suggestions for very short mufflers, but when their outer diameter exceeds 3.5 inches they cannot be used off the headers. And if their outer diameter exceeds 2.5 inches they cannot be used as tail pipes.
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  17. kerrywittig

    kerrywittig Formula 3
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    Nov 10, 2005
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    Jeff, I talked with Jason at Aero. He gave specs to tech dept. today and should have info soon. Kerry
     

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