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Old 10-18-2008, 11:03 AM   #1
DaSkinnyGuy
 
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I got the gmmg catback



Ok this morning i drove an hour away and picked up this beautiful gmmg. $500 for catback, $70 for tips, $30 in gas. I saved about $300. The I-Pipe isnt in the pics but i do have it. I brought it inside the appartment and spent 40 mins polishing it.

For now it will just be off stock manifolds and stock catted y pipe so its not going to give you the full effect of it with longtubes.

The vid of it on my car turn volume up sound quality is good

http://www.youtube.com/watch?v=xWSFQEEBQus

http://www.youtube.com/watch?v=zlxkLd57GiM

for you LT1 people heres just one i found

http://www.youtube.com/watch?v=oKA68ORNdZo&feature=user

Before polishing



After polishing





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Last edited by DaSkinnyGuy; 10-18-2008 at 06:00 PM.
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Old 10-18-2008, 11:09 AM   #2
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Loookinnnn good ocho.
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Old 10-18-2008, 11:17 AM   #3
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Loookinnnn good ocho.
opps i had the before and after backwards
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Old 10-18-2008, 11:19 AM   #4
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niceeeee. get that exhaust clip up asap! i wanna hear it
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Old 10-18-2008, 11:24 AM   #5
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niceeeee. get that exhaust clip up asap! i wanna hear it
give me a couple hours having it put on at 1pm, dont forget this will be a catback only so the manifolds and stock catted y pipe will restrict some sound. So i only expect it to sound louder than stock with a better idle sound and noticeable enough above 3,000 rpm to turn at least 1 head.
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Old 10-18-2008, 12:23 PM   #6
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dude its going to sound sick. looks great. if you don't like it, pm me a price
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Old 10-18-2008, 03:23 PM   #7
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What kind of tips are those? They should look pretty good on the T/A and sound amazing.
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Old 10-18-2008, 03:32 PM   #8
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What kind of tips are those? They should look pretty good on the T/A and sound amazing.
Hooker tips, so theres two of them out by the rear bumper now.
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Old 10-18-2008, 03:48 PM   #9
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Im not impressed by the sound. I guess you really need a cam to make it sound worth while... Thanks for posting it, Now I know a mufflex exhaust will be perfect for me.
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Old 10-18-2008, 03:50 PM   #10
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Im not impressed by the sound. I guess you really need a cam to make it sound worth while... Thanks for posting it, Now I know a mufflex exhaust will be perfect for me.
it needs headers and a cam to bring out the exhaust i did mention that kind of in my first post.
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Old 10-18-2008, 03:51 PM   #11
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Quote:
Originally Posted by WayFast84 View Post
Im not impressed by the sound. I guess you really need a cam to make it sound worth while... Thanks for posting it, Now I know a mufflex exhaust will be perfect for me.
He also doesn't have headers/high flow cat. Not to mention your engine will sound completely different than an LS1.
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Old 10-18-2008, 03:56 PM   #12
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i disagree actually. i think this exhaust sounds best with stock motor and stock manifolds. with long tubes and cam, everything sounds similar IMO
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Old 10-18-2008, 03:59 PM   #13
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Sounds nice and looks good under there. I would still take the tone of my Mufflex 3.5 w/Spintech though. I am also still on stock maniflds and cats......but not for long. heh
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Old 10-18-2008, 04:22 PM   #14
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Sounds nice and looks good under there. I would still take the tone of my Mufflex 3.5 w/Spintech though. I am also still on stock maniflds and cats......but not for long. heh
soundclip of yours?
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Old 10-18-2008, 04:29 PM   #15
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I will have to get some soon. It is a reasonable loud system, but the spintech muffler eliminates a lot of the LS1 rasp nicely.

Should have a sound clip with in the next week or so
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Old 10-18-2008, 06:01 PM   #16
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I added another video its the first one but part 2
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Old 10-18-2008, 08:41 PM   #17
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GMMG is the best sounding exhaust for the ls1 IMO. Sounds sick man and will sound even better with LT's and ORY.. Next mods get some subframes and LCA's! Makes a huge difference...
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Old 10-18-2008, 10:05 PM   #18
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sounds great man i know you got alot more you want to do with her but i cant wait to see it when school is over or some way i can visit you. but nice and i cant wait to hear pual's thoughts... aha
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Old 10-19-2008, 12:22 PM   #19
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lt1 sounds dirty!
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Old 10-19-2008, 06:57 PM   #20
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Those systems on an LS1 sound sick. Love the sound! I would really like to put on one of those my L98, but it would NEVER sound that good without a cam. Even with my Edlebrock THS headers and gutted cats, my BORLA sounds OK, but I really am impressed on how good it sounds and LOOKS!
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Old 10-19-2008, 07:07 PM   #21
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Quote:
Originally Posted by edpontiac91 View Post
Those systems on an LS1 sound sick. Love the sound! I would really like to put on one of those my L98, but it would NEVER sound that good without a cam. Even with my Edlebrock THS headers and gutted cats, my BORLA sounds OK, but I really am impressed on how good it sounds and LOOKS!
Third gen GMMG soundclips

http://smg.photobucket.com/albums/v2...TAwithGMMG.flv

http://www.youtube.com/watch?v=05ZG0kacKek

http://www.youtube.com/watch?v=h0FM5...eature=related
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Old 10-19-2008, 08:28 PM   #22
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sounds good, I like it, I like the magnaflow system a lot tho, its deeper and loud without being obnoxious
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Old 10-19-2008, 08:43 PM   #23
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GMMG
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Old 10-20-2008, 09:22 PM   #24
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Alex where did u get that smilies action thing and what does it mean
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Old 10-20-2008, 09:25 PM   #25
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ls1tech "nutswinger"
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