How many people here have GMMG exhaust?
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Joined: Nov 2002
Posts: 2,108
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From: Moneta, VA
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
How many people here have GMMG exhaust?
Add one more to the list 
I just ordered mine, with the premium tips. Should have it on this weekend, and I will have sound clips fo sho! 
I just ordered mine, with the premium tips. Should have it on this weekend, and I will have sound clips fo sho! 
cant wait to hear it Thread Starter
Supreme Member
iTrader: (26)
Joined: Nov 2002
Posts: 2,108
Likes: 8
From: Moneta, VA
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
Oh dont worry, I will. That was one of the most frustrating parts of researching exhaust the last few days was lack of sound clips!
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From: Cincinatti OH
Car: 1991 L03 700r4 RS
Engine: 1987 WS6 Trans AM Lb2
Transmission: Th350 red neck Performance 3k stall
Axle/Gears: 95 Mustang 8.8 built with 3.73s
I have duals with 24in Classic Chambered mufflers if that counts.
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iTrader: (3)
Joined: Oct 2005
Posts: 1,833
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From: Cincinatti OH
Car: 1991 L03 700r4 RS
Engine: 1987 WS6 Trans AM Lb2
Transmission: Th350 red neck Performance 3k stall
Axle/Gears: 95 Mustang 8.8 built with 3.73s
No just about 600 dollars cheaper THe GMMG is a good peice but the price is insane. It's what sold me on the mufflers though (I already had the duals setup) and I wouldn't go back. The tone quality of these over bullets is phenomenal.
THe GMMG is a good peice but the price is insane. It's what sold me on the mufflers though (I already had the duals setup) and I wouldn't go back. The tone quality of these over bullets is phenomenal. Trending Topics
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Joined: Jul 2001
Posts: 5,225
Likes: 70
From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
If you can, get some part throttle and full throttle drive bys I've been thinking of getting this exhaust forever.
I've been thinking of getting this exhaust forever. 
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
u could custom make that system for hundreds less at a exhaust shop using the same style mufflers..chambered tubes.
but it does sound very nice
but it does sound very nice
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Joined: Sep 2005
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From: Osceola Indiana
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
Post some sounds clips please there very few around, and tell us how the installation goes too I want a gmmg so bad hopefully when spring comes ill have enough money Im keeping my fingers crossed
Thread Starter
Supreme Member
iTrader: (26)
Joined: Nov 2002
Posts: 2,108
Likes: 8
From: Moneta, VA
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
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