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What would an exhaust be that sounds close GMMG?

This is a discussion on What would an exhaust be that sounds close GMMG? within the External Engine forums, part of the LSx Technical Help Section category; Without costing the same? I love how loud it is, the tone, but definetly cannot afford it. Thanks....

  1. #1
    She-Member jrbonds's Avatar
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    2002 WS6
    1965 Mustang

    What would an exhaust be that sounds close GMMG?

    Without costing the same? I love how loud it is, the tone, but definetly cannot afford it.

    Thanks.

  2. #2
    Moderator 35th-ANV-SS's Avatar
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    02 35th LE Camaro SS

    GMMG is a chambered exhaust set-up, which is kind of unique. From what I've read in the past, people have tried to rig up a similar set-up with knock-off exhausts and it still ended up costing somewhere around the ballpark of $400-$500, and the sound still wasn't the same.

    The only other chambered muffler I know of is Stainless Works, but I don't know how the sound compares. They sell their mufflers for around $150.

  3. #3
    She-Member jrbonds's Avatar
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    Thanks Jon. Explains alot. I think I will wait til I can afford the GMMG.

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    Moderator 35th-ANV-SS's Avatar
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    I've heard it before. It's a really nice sounding exhaust. One of my favorites I think.

  5. #5
    Member supaxero's Avatar
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    metallic pewter
    2000 Trans Am WS6

    I heard some samples of f-body setup on the site and its bad ass. the wait will be worth it

  6. #6
    She-Member jrbonds's Avatar
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    Yeah I listened to all those sound clips, then got on you tube and listened to more. The Gmmg was the only one that I kept coming back to. I should be able to get it after my tranny rebuild if I get blessed with a second job.

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    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
    2001 Camaro SS

    The gmmg is a really nice sounding exhaust, the only setup I can think of to sound close is a magnaflow with LTs
    Gives that deep growl exhaust note

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    Senior Member INMY01TA's Avatar
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    2001 Trans Am (sold)

    Who told you the GMMG is loud? My friend had it with stock manifolds and cats and driving behind him I couldn't hear it at all.

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    NBM Z28
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    Quote Originally Posted by INMY01TA View Post
    Who told you the GMMG is loud? My friend had it with stock manifolds and cats and driving behind him I couldn't hear it at all.
    I definitely agree!! I heard a GMMG on a firehawk, and it was pretty quiet. I cant remember if the owner even had longtubes. But it definitely was a quiet exhaust.

    Only exahust setup for sure that will sound great is Duals IMO... Got rid of magnaflow for TSP Duals with bullets. And it is an amazing sound.

  10. #10
    She-Member jrbonds's Avatar
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    I watched millions of exhaust clips on youtube. The gmmg just had a distinctive sound. Yes, I'm sure duals would be "louder, but I want different.

  11. #11
    Member bberretta's Avatar
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    2000 TA Firehawk 0041/742

    If the car still has the stock manifolds, old, suffocating cats, and restrictive y-pipe, you can expect it to be quieter than if you have long tube headers with 3" pipes going through a 3" ORY.
    2000 Pontiac Firehawk #0041 of 742

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    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
    2001 Camaro SS

    Listened to the mufflex system?

  13. #13
    She-Member jrbonds's Avatar
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    Quote Originally Posted by bberretta View Post
    If the car still has the stock manifolds, old, suffocating cats, and restrictive y-pipe, you can expect it to be quieter than if you have long tube headers with 3" pipes going through a 3" ORY.

    I have long tubes, ory and all emissions crap is gone, including cats. It has a Flow on it now, but I think its too quiet. I like to be unique. Lol


    Quote Originally Posted by tatertot91 View Post
    Listened to the mufflex system?
    No. Can I find that on youtube?

  14. #14
    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
    2001 Camaro SS

    Ls1sounds.com

  15. #15
    She-Member jrbonds's Avatar
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    Quote Originally Posted by tatertot91 View Post
    Ls1sounds.com
    My ex husband has a Spintech cat back he's been trying to give me. I listened to all those sounds, and it just sounds like my Flowmaster to me.

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