Exhaust Post your questions and suggestions about stock or aftermarket exhaust setups. Third Gen exhaust sound files and videos!

GMMG Pictures and Video/Sound

Thread Tools
 
Search this Thread
 
Old 12-15-2006, 01:42 PM
  #51  
Supreme Member
TGO - 10 Year Member
iTrader: (20)
 
Orr89RocZ's Avatar
 
Join Date: Sep 2003
Location: Pittsburgh PA
Posts: 25,771
Received 375 Likes on 303 Posts
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: Strange 12 bolt 3.42
no my buddy has a flowtech afterburner and it sounds pretty nice. no cats but his car was once a dual cat car (N10) so it made a nice difference
Old 12-22-2006, 10:56 PM
  #52  
Member
 
1brd2brd3brd4's Avatar
 
Join Date: Dec 2006
Location: Evington,Va
Posts: 454
Likes: 0
Received 0 Likes on 0 Posts
Car: 93 Formula,88 T/A,01 WS6
Engine: 93 LT1,88TPI305,01 LS1
Transmission: 93 700R4,88 700R4,01 T56
Axle/Gears: 93 3:73's,88 3:42,01 3:40
Now That you have had a buddy help you take some vid's........you gonna help your buddy take some vid's???
Old 12-23-2006, 12:24 AM
  #53  
Supreme Member

 
92RS(real slow)'s Avatar
 
Join Date: Sep 2005
Location: Osceola Indiana
Posts: 2,151
Likes: 0
Received 0 Likes on 0 Posts
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
Originally Posted by Justin89Formy
well the gmmg catback goes from, well...the cat to the back of the car lol
whoops lol I always thought the gmmg was just the muffler, and not the rest never new that
Old 12-26-2006, 02:24 PM
  #54  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
Originally Posted by 1brd2brd3brd4
Now That you have had a buddy help you take some vid's........you gonna help your buddy take some vid's???
Get outta my thread! I didnt know you were a member on here...
Old 12-26-2006, 04:37 PM
  #55  
Member
 
1brd2brd3brd4's Avatar
 
Join Date: Dec 2006
Location: Evington,Va
Posts: 454
Likes: 0
Received 0 Likes on 0 Posts
Car: 93 Formula,88 T/A,01 WS6
Engine: 93 LT1,88TPI305,01 LS1
Transmission: 93 700R4,88 700R4,01 T56
Axle/Gears: 93 3:73's,88 3:42,01 3:40
Yeah

Joined on a day when "poorboy" I mean webtv was actually working!!!!! Well that and i got my chains loosened a little hehehehehe
Old 02-15-2007, 11:14 PM
  #56  
Supreme Member

 
92RS(real slow)'s Avatar
 
Join Date: Sep 2005
Location: Osceola Indiana
Posts: 2,151
Likes: 0
Received 0 Likes on 0 Posts
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
brining this back from the dead lol do you happen to have a part number for your catco cat? lookin for one for when I get my gmmg looked through summit, but there was like a million, and I got lazy lol it would help a lot thanks
Old 02-16-2007, 04:45 PM
  #57  
Supreme Member

iTrader: (2)
 
Reid Fleming's Avatar
 
Join Date: Sep 2006
Location: Houston, TX
Posts: 2,118
Likes: 0
Received 14 Likes on 11 Posts
Car: 1989 GTA
Engine: SuperRam 350
Transmission: Pro Built S/S TH700R4
Axle/Gears: 3.27
I'm assuming you have the single cat setup. If so, the Catco 9118 is your best bet.
Old 02-23-2007, 08:17 AM
  #58  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
I have a universal 3" catco cat
Old 02-25-2007, 12:02 PM
  #59  
Member
iTrader: (3)
 
JCL91TRANSAM's Avatar
 
Join Date: Jul 2006
Location: Fox Lake IL
Posts: 238
Likes: 0
Received 0 Likes on 0 Posts
Car: 91 Trans Am
Engine: 355 l98 mini ram
Transmission: 700r4
Axle/Gears: stock10 bolt 3:23 gears
The sound of your exhaust has convinced me to buy one but what is the difference with there chambered exhaust design? I really cant find any info on what makes it different from any other exhaust.
Old 02-26-2007, 01:20 AM
  #60  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
go to the exhaust sticky and check the pictures and you'll see how its different I guess lol
Old 02-27-2007, 10:49 AM
  #61  
Administrator

iTrader: (1)
 
IROCZTWENTYGR8's Avatar
 
Join Date: Jul 2000
Location: In a mint Third Gen!
Posts: 7,386
Received 1 Like on 1 Post
Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
Being a Flowmaster fan I'll say it sounds decent until you hear all that popping and crackling, but that's always a deal breaker for me, otherwise I'd go crazy for a loud exhaust like that. The straight throughs seem to never have the tone that a muffler like a FM does, for obvious reasons though. They tend to just be noise until you're putting out real power with a good lopey cam.

Orr, does your chambered muffler do that popping and cracking on regular accel and decel? I'm not hearing it on rev and WOT in your videos.
Old 02-27-2007, 12:55 PM
  #62  
Moderator

 
IROCThe5.7L's Avatar
 
Join Date: Jul 2001
Location: Buffalo, NY
Posts: 5,196
Received 59 Likes on 40 Posts
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Remember, Justins car is a 6 speed.
Old 02-27-2007, 03:16 PM
  #63  
Member
 
DaSkinnyGuy's Avatar
 
Join Date: Nov 2006
Location: unknown
Posts: 227
Likes: 0
Received 0 Likes on 0 Posts
Car: 1992 Firebird
Engine: 3.1L
Transmission: Auto
Axle/Gears: 3:23
That popping will only happening under load. When reving there is no load on the motor. I love the sound of the GMMG.
Old 02-27-2007, 08:21 PM
  #64  
Moderator

 
IROCThe5.7L's Avatar
 
Join Date: Jul 2001
Location: Buffalo, NY
Posts: 5,196
Received 59 Likes on 40 Posts
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
No car should be popping under load. If it is, there is a problem with the car.
Old 02-27-2007, 08:39 PM
  #65  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
It does "pop" on decel. You can hear it in the one video with my slowing my car down. I think its doing that because of the mufflers design...Ive never heard a chambered exhaust before mine.


I still love it Drove the car today....the tone seems to be getting better the more I drive it, if thats possible with a chambered muffler.
Old 02-28-2007, 09:08 AM
  #66  
Member
 
DaSkinnyGuy's Avatar
 
Join Date: Nov 2006
Location: unknown
Posts: 227
Likes: 0
Received 0 Likes on 0 Posts
Car: 1992 Firebird
Engine: 3.1L
Transmission: Auto
Axle/Gears: 3:23
Ive heard borla and mangnaflows pop on decel
Old 03-04-2007, 11:00 AM
  #67  
Supreme Member
iTrader: (45)
 
Stevo's Avatar
 
Join Date: Dec 2003
Location: Northern, VA
Posts: 3,970
Likes: 0
Received 0 Likes on 0 Posts
Car: Pair of 92 Z28s
Originally Posted by Justin89Formy
Thanks for the license plate comment. I saw a 91 Z the other day that said L98 Z28. We complimented each others plates
It wasnt me i dont think cause thats just scary if he did! Im in VA...check my sig lol.

But on a sidenote, Justin that car sounds great...we will have to get together sometime this summer as id love to hear it in person. I myself will most likely be going Borla but i still havent decided for sure.
Old 03-04-2007, 12:36 PM
  #68  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
sure thing man, Ive wanted to see your car too actually
Old 03-04-2007, 01:59 PM
  #69  
Supreme Member

iTrader: (3)
 
1989GTATransAm's Avatar
 
Join Date: Sep 2003
Location: Cypress, California
Posts: 6,859
Received 14 Likes on 14 Posts
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
What is the inside diameter of the mufflers?
Old 03-04-2007, 03:12 PM
  #70  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
the lady at GMMG told me 3" and I dont see why they wouldnt be...they're big.
Old 03-09-2007, 10:11 PM
  #71  
Junior Member
 
scottyb123's Avatar
 
Join Date: Feb 2007
Location: lynchburg
Posts: 73
Likes: 0
Received 0 Likes on 0 Posts
Car: 84z
Engine: 305 HO carb
Transmission: 700r4
Axle/Gears: stock
i saw this car a few weekends ago, and it is badass, and the first thing i told justin, just after meeting him is "is that a gmmg exhaust?"...it was, and after riding behind him, it mad my hooker catback sound like crap.

and as far as "eating somebodies dust"....well, when goes WOT at a stop light, you sure can smell that hes put a lot of work into his car.
Old 03-10-2007, 06:33 AM
  #72  
Supreme Member

Thread Starter
iTrader: (26)
 
Justin89Formy's Avatar
 
Join Date: Nov 2002
Location: Moneta, VA
Posts: 2,108
Likes: 0
Received 7 Likes on 5 Posts
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
yeah, my car runs rich you going out there tonight?
Old 03-10-2007, 08:14 PM
  #73  
Junior Member
 
scottyb123's Avatar
 
Join Date: Feb 2007
Location: lynchburg
Posts: 73
Likes: 0
Received 0 Likes on 0 Posts
Car: 84z
Engine: 305 HO carb
Transmission: 700r4
Axle/Gears: stock
naw....i cant go tonight....haha...here it is 915, and im at home. i had to take a driver improvement class today, and my car is in the shop. i got a edelbrock carb being put on this week, and next weekend im heading to vegas for a week, so maybe weekend after next we can go cruisin....lol
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Fronzizzle
Electronics
13
02-09-2017 09:31 AM
Linson
Auto Detailing and Appearance
26
09-21-2015 01:08 PM
okfoz
History / Originality
3
09-17-2015 10:30 AM
Street Lethal
Miscellaneous Third Gen Items!
0
09-07-2015 01:09 PM
Strick1
LTX and LSX
1
09-06-2015 02:21 PM



Quick Reply: GMMG Pictures and Video/Sound



All times are GMT -5. The time now is 06:00 PM.