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What muffler to quiet my GMMG?

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Old 01-07-2008, 09:11 PM
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Default What muffler to quiet my GMMG?

I have a little clip in my sig.......but its just too f'ing loud at wot. Which muffler should I throw in the I-pipe??? the Bullet the Magnaflow one, or the moroso spiral flow? Or shout out suggestions. I tried a search but nothing came up. Thanks in advance.
-Blake
Old 01-07-2008, 10:47 PM
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Honestly I'd advise against chopping up a $700 catback. Just sell it, buy a new, quieter catback like Hooker and pocket some cash. Win-Win
Old 01-07-2008, 10:53 PM
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you need high flow cats to fix the sound problem. It will sound about like this:

http://s46.photobucket.com/albums/f1...t=9f8b22ee.flv
Old 01-07-2008, 10:56 PM
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No cats and I'm keeping the cat back. I love the way it sounds I just need it a little quiter.
Old 01-07-2008, 10:57 PM
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spiral flow will quiet it down quite a bit and still flow well
Old 01-07-2008, 11:09 PM
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Old 01-08-2008, 12:52 AM
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I put a dynomax bullet on mine. NO rasp, sounds perfect.
Old 01-08-2008, 12:59 AM
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Slp Lm2
Old 01-08-2008, 06:45 AM
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Originally Posted by Stangkilr
I put a dynomax bullet on mine. NO rasp, sounds perfect.
Thanks!!
Old 01-08-2008, 10:08 AM
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You could put another gmmg muffler in the I pipe. They can custom make you one if you ask them.
Old 01-08-2008, 11:52 AM
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Old 01-08-2008, 03:50 PM
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just get some ear plugs
Old 01-08-2008, 05:00 PM
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I wish my car sounded like that. trade? mines quiet....
Old 01-08-2008, 10:20 PM
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Originally Posted by Camaro396
I wish my car sounded like that. trade? mines quiet....
hahaha I loooove the way it sounds........its just a little too loud at WOT for my taste and the eardrums of everyone and anyone that is next to me on the highway . But I think the idle and below 3000 rpms its one of the best if now the best sounding exhaust you can get.
Please no more loudmouth suggestions
Old 01-09-2008, 10:45 AM
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Originally Posted by Stangkilr
I put a dynomax bullet on mine. NO rasp, sounds perfect.
x2, I cut out the resonator in my loudmouth and put in the dynomax bullet, and I think it's perfect. No rasp, but still scares kids and dogs when I start it up....and can be heard from over a mile away at wot.
Old 01-09-2008, 10:48 AM
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Do some research and see if Flowmaster has made any Hushpower systems for your car yet.
Old 01-09-2008, 11:08 AM
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I've heard nothing but good things about the bullet/gmmg set up, I think I'm going to go that route. Does anybody have any links with that setup so I can hear it?
Old 01-09-2008, 11:40 AM
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Originally Posted by JScamaro
You could put another gmmg muffler in the I pipe. They can custom make you one if you ask them.
dunno about that custom part there....

the best sounding setup no matter how much I hate to admit it is that high flow cats sound the best with a GMMG, just really no comparison. It kills the rasp and makes it smoother on the bottom end. Doesn't seem to lose the awesome note that it makes at WOT either. Just my opinion after having it myself.
Old 01-09-2008, 11:57 AM
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had a friend weld in a dynomax bullet in the Ipipe of his GMMG and it sounds great, no rasp.
Old 01-09-2008, 12:00 PM
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Damn, I like that sound....now i'm gonna go buy a magic stick 4 !!!!!!!



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