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Thread: GMMG exhaust?
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08-12-2008, 09:14 AM #1
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Black- 1999 Formula
GMMG exhaust?
my brother was driving behing me the other day with my uncles n he said my car sound extremely raspy n pretty shitty at different rpms, (i have pacesetter LT's, ORY, LM1 exhaust, no cats) ive always liked the sound of my car from the inside but i never new it sounded like that from the outside driving away n these GMMG exhaust sound awesome n really deep, I wanted to kno if anybody on here has one or heard anything good about them
thanks
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08-12-2008, 09:20 AM #2
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- Thornton, CO
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Red Tint Jewelcoat- 2008 Trailblazer SS
Friend of mine got rid of his GMMG because of the rasp with longtubes.
Went with Magnaflow.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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08-12-2008, 09:32 AM #3
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Black- 1999 Formula
ight cool thanks
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08-12-2008, 01:18 PM #4
when I get home I will post some clips of my GMMG, I have had aloe of differnt setups and I love my GMMG!!
Mike Berry
2000 TransAm WS6 A4
ASC#6552
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08-12-2008, 01:58 PM #5
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Bright Rally Red- 2002 Camaro SS
Mike do you post everywhere? haha
GMMG sound pretty good! They still get a little raspy at times though...
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08-12-2008, 05:37 PM #6
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Black- 1999 Formula
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08-12-2008, 06:02 PM #7
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08-12-2008, 09:10 PM #8
I have a 396ci with FAST92/92 Kooks 1 7/8 LTs Hooker ORY and GMMG catback. if you want more details let me know
It is deeper than most catbacks. and I think it looks great.
I've had Hooker CB, Magnaflow CB, TD's with 1 chambers, 2 Chambers and bullets, and Borla CB. The GMMG has the most unique sound and tone. TD did help me with topend power but I lost some low end and didnt gain any torque with them. so I thought 10rwhp isnt worth the ground clearence issues, and drone inside the car.
now on the driving one there is some I guess you would call rasp believe it or not the Kooks y-pipe didnt fit right and the I-pipe of the CB came off and I didnt know it till later that day because it started banging the bottom of the car. so I got my Hooker y pipe on there (it fit better than the kooks) and it sounds perfect.
so here you go
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08-12-2008, 09:20 PM #9
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08-13-2008, 05:21 PM #10
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Black- 1999 Formula
thanks for the videos Berry, ur car sounds awesome, i definetly noticed a unique and deeper tone with the gmmg n its great
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08-13-2008, 06:44 PM #11
Sounds good to me.
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08-18-2008, 06:59 PM #12
i love my gmmg! i have never had anyone tell me they didnt like it either. but yeah it is pretty deep and sometimes it gets a little raspy when its not warmed up, but after that i get nothing but sweet music. it sounds different from a lot of the other catbacks out there, and way better than the loudmouth in my opinion, which is horribly raspy. but people love that....?
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08-18-2008, 08:19 PM #13
I have noticed that too, when its cold. wonder why?
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