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Thread: Silent Exhaust. How do I get it?

  1. #41
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Silent Exhaust. How do I get it?

    Those resonators just control drone at certain rpms, not the noise level...
    Rob M.
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  2. #42
    turbo addict
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    Re: Silent Exhaust. How do I get it?

    Quote Originally Posted by marc View Post
    Tryingbe, is your car a automatic or a 5 Speed?
    5 speed, A555 with A520 differential.

  3. #43
    boostaholic
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    Re: Silent Exhaust. How do I get it?

    I'm working on one right now. 31" long. Will connect to the after axle pipe and wrap around the spare tire well on the omni. Having some issues getting the over axle pipe to fit with the changes I've made to the exhaust. Not sure what the problem is as of yet.

    Quote Originally Posted by Aries_Turbo View Post
    no one checked into this more?

    it actually works from what ive seen on the net.

    http://forums.corral.net/forums/gene...tely-gone.html

    it will take some math and some calculating but it should work.



    of course, for a 4 cyl the pipe should be 2x as long as a v8 from what i read.

    im gonna try it. id like to remove all my mufflers and see how bad it would be

    ill put it as far to the rear of the vehicle as possible.

    for those with side pipes, you could use the rest of a regular exhaust in the normal exhaust location capped off teed into the side pipe.

    this seems to be only solution to drone that doesnt reduce power.

  4. #44
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    Re: Silent Exhaust. How do I get it?

    https://www.summitracing.com/parts/d...IYgaAmlv8P8HAQ

    Put one of those inside of your straight through muffler

    Then the alternative is a WALKER 18371 SoundFX which is the OEM muffler for a 91 w250 diesel. 3" in and out but unfortunately it's 25" long and 8.5" diameter.
    Ian Adams Function>Form 1990 shadow scrapped, too rusty:( 1991 Spirit R/T Scrapped, parts sold:( 1989 Turbo Caravan Daily beater with built-[I]ish [/I]​engine slowly evolving into weekend turbo beater.

  5. #45
    Hybrid booster Turbo Mopar Contributor
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    Re: Silent Exhaust. How do I get it?

    Sound deader could go a long way to making the cabin more quiet. A friend of mine had a Monte Carlo SS with a worked 383 sbc, headers, and flow masters. I was surprised how quiet that car was.
    [SIGPIC][/SIGPIC] 86 Daytona Turbo Z C/S with a full 89 Shelby swap, back on the road and soon to be painted (and lose that Oggie Fisher black) 83 Porsche 944, 5 speed, all stock. 2014 Toyota Tacoma 4x4, 5 speed, daily driver. 2017 Trek 1.2 bicycle.

  6. #46
    Supporting Member Turbo Mopar Contributor DOHCRT's Avatar
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    Re: Silent Exhaust. How do I get it?

    So, After talking to Harry last night, the problem isn't necessarily the muffler. I think it has a lot to do with the lack of sound deadening inside the car. The car has a layer of heat shield (foil type) and then a plain carpet (without the jute/felt) backing. None of my cars drone, even the one that exits out the side.


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  7. #47
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    Re: Silent Exhaust. How do I get it?

    Solution found.

    Installed MagnaFlow 12219 and MagnaFlow 11249 with a pipe straight clear out to the bumper.

    Exhaust is now super quiet and doesn't drone.

  8. #48
    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: Silent Exhaust. How do I get it?

    Nice, good info

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  9. #49
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    Re: Silent Exhaust. How do I get it?

    Would love to see a video to hear the result

  10. #50
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    Re: Silent Exhaust. How do I get it?

    The electric car idea would work. I've seen Teslas running in the 11's at 115mph. A P90d with ludicrous mode should do it.
    1986 Chrysler Lebaron 2 dr. R.I.P. 2.2 T1 log intake, modified to intercool Best 1/8th 9.03@77mph / Best 1/4 14.16@93.55mph Running on E85:nod:[SIGPIC][/SIGPIC] '93 Spirit 2.5 TBI 5 Spd(sold), '85 Ramcharger, 360 4brl, NP435 4 Spd. The new ride; '90 Sundance 2.5 T1/5 spd. FMIC(from Ford Probe) new Mitsu; Best 1/8th 8.96@79.16 / Best 1/4 14.06@101.27

  11. #51
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Re: Silent Exhaust. How do I get it?

    Was it on the car for the recent 350whp dyno session?
    Wayne H.

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  12. #52
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    Re: Silent Exhaust. How do I get it?

    Quote Originally Posted by CatchaCuda View Post
    Would love to see a video to hear the result
    I don't have a quality microphone that will pick up the base and probably no microphone will pick up the drone. It'll pick up lots of L body rattle, if that is what you're looking for.


    Quote Originally Posted by wheming View Post
    Was it on the car for the recent 350whp dyno session?
    Dyno done with Heartthrob #54044 , baffled muffler.

  13. #53
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    Re: Silent Exhaust. How do I get it?

    Fair enough. I'd love to hear the car in person some day, do you keep it in AZ, or do you have any plans to bring it to any events outside of your locality? Was in AZ years ago, delivered (drove) a 72 Plymouth Scamp from Youngstown, OH to Phoenix.

  14. #54
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    Re: Silent Exhaust. How do I get it?

    Quote Originally Posted by CatchaCuda View Post
    Fair enough. I'd love to hear the car in person some day, do you keep it in AZ, or do you have any plans to bring it to any events outside of your locality?
    No plan to drive to anywhere outside AZ at the moment. Fly to AZ and enjoy a warm winter!

  15. #55
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    Re: Silent Exhaust. How do I get it?

    Do you have any pics of how you installed them? Or maybe a description. I'm with you on the Omni being too loud. I'd also like to quiet down my Omni. The straight through bullet muffler is very inadequate.

  16. #56
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    Re: Silent Exhaust. How do I get it?

    Dynomax VT - spring loaded butterfly with off center pivot so it pivots easily; I've got one on my Spirit R/T TIII, no drone, power improved.

    I tried to post a link but I got the "forbidden" problem
    John Laing "The sole condition which is required in order to succeed in centralizing the supreme power in a democratic community, is to love equality, or to get men to believe you love it. Thus the science of despotism, which was once so complex is simplified, and reduced . . . . to a single principle." -- Alexis de Tocqueville "One of the methods used by statists to destroy capitalism consists in establishing controls that tie a given industry hand and foot, making it unable to solve its problems, then declaring that freedom has failed and stronger controls are necessary." --Ayn Rand "To evolve, you don't need a Constitution. All you need is a legislature and a ballot box . . . . things will evolve as much as you want. All of these changes can come about democratically; you don't need a Constitution to do that and it's not the function of a Constitution to do that." -- Justice Antonin Scalia

  17. #57
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    Re: Silent Exhaust. How do I get it?

    Dynomax VT are no longer being made.

  18. #58
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    Re: Silent Exhaust. How do I get it?

    Quote Originally Posted by boboli View Post
    Do you have any pics of how you installed them? Or maybe a description. I'm with you on the Omni being too loud. I'd also like to quiet down my Omni. The straight through bullet muffler is very inadequate.


  19. #59
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    Re: Silent Exhaust. How do I get it?

    On ebay - Dynomax-17966-VT

    Can't post the link
    - "forbidden"
    John Laing "The sole condition which is required in order to succeed in centralizing the supreme power in a democratic community, is to love equality, or to get men to believe you love it. Thus the science of despotism, which was once so complex is simplified, and reduced . . . . to a single principle." -- Alexis de Tocqueville "One of the methods used by statists to destroy capitalism consists in establishing controls that tie a given industry hand and foot, making it unable to solve its problems, then declaring that freedom has failed and stronger controls are necessary." --Ayn Rand "To evolve, you don't need a Constitution. All you need is a legislature and a ballot box . . . . things will evolve as much as you want. All of these changes can come about democratically; you don't need a Constitution to do that and it's not the function of a Constitution to do that." -- Justice Antonin Scalia

  20. #60
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Re: Silent Exhaust. How do I get it?

    Quote Originally Posted by johnl View Post
    On ebay - Dynomax-17966-VT

    Can't post the link
    - "forbidden"
    Super me to the rescue!
    https://rover.ebay.com/rover/0/0/0?m...2F162852937926
    Wayne H.

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