3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

GMMG chambered on a TPI

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Old May 16, 2004 | 12:52 AM
  #1  
locosteelersfan's Avatar
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GMMG chambered on a TPI

Anyone have or heard.
Just curious.
Old May 16, 2004 | 01:34 PM
  #2  
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Try www.ls1sounds.com

They have ALL KINDS of exhaust notes.. the GMMP's are ESPECIALLY nice
Old May 16, 2004 | 04:15 PM
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yeah thas a good site, but they most only have exhaust on a LS1 cars. Its gonna sound different on an L98 than it would on an LS1
Old May 16, 2004 | 04:21 PM
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Yeah thats why I asked.
I've heard it on several LS1s.
Its badass. I choose Corsa for mine
but when I pick up another 3rd gen
I want it to sound as mean as possible.
Old May 16, 2004 | 04:38 PM
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From: Teeter-tottering between Brilliance and Insanity
Originally posted by locosteelersfan
Yeah thats why I asked.
I've heard it on several LS1s.
Its badass. I choose Corsa for mine
but when I pick up another 3rd gen
I want it to sound as mean as possible.
Well most GM people I talk to agree gen I sbcs sound genrally more badass than LS1s, so chances are if yuo think teh chambered exhuast sounds good on an LS1, your gonna like it more on an L98.
Old May 16, 2004 | 05:10 PM
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Alot of people complain that LS1s are too quiet.
GM actually had it as one of the design goals going
into Gen III. Corvettes are becoming more and
more refined so they don't really the motor to be
all that loud. Its going to be interesting hearing
the LS2

Darth, got any pics of that car. Looks like a
steelers edition.
Old May 16, 2004 | 06:13 PM
  #7  
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My bad.. I thought we were talking about your LS1 Loco.. dunno how it would sound on an L98.

Corsa's are also badass..
Old May 17, 2004 | 02:11 AM
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I've heard GMMG on an LT1 both before and after a cam install, and it sounded good both ways, better after the cam. I am going to try and rig up a loudmouth exhaust with dual chambered mufflers in place of the resonator. Should sound similar I am hoping, I cannot afford to fork out the 800 for a GMMG system. But the sound is incredible

Will
Old May 17, 2004 | 07:40 AM
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Originally posted by stanghunter211
I've heard GMMG on an LT1 both before and after a cam install, and it sounded good both ways, better after the cam. I am going to try and rig up a loudmouth exhaust with dual chambered mufflers in place of the resonator. Should sound similar I am hoping, I cannot afford to fork out the 800 for a GMMG system. But the sound is incredible

Will
hey, check over at ls1tech.com
they got a gp going on and if/when it get's approved, it will be $600 for the standard system (slash tips) and 725 for the oval tip system
Old May 17, 2004 | 10:02 AM
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A stock LT1 with cutout sounds badass.

For anyone that is wondering, the dynomax bullets sound good when under load on the 3rd gens, but you put that on an ls1 car and it sounds like ***.
Old May 17, 2004 | 07:47 PM
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I love the cutout on my L98, and I have had several LS1 as well as LT1 guys tell me how nice it sounded, and wished their cars sounded that deep at idle. Just my opinion though. Still 600 is alot for a catback, I will have to see if funds become available. Too bad they can't do away with the tips all together and knock off some more dough

Will
Old May 17, 2004 | 11:36 PM
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I use a pair of Stainless Works chambered mufflers (custom length) on a 2-1/2" true dual system. For pics. click on "SC Z!!" in my sig, then on "Exhaust". For a sound clip, go to:

http://www.iroc-zpostforum.com/MemberWillie.htm

Tell me if you've ever heard a 305 TPI sound like mine!
Old May 18, 2004 | 12:17 AM
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I like the sound of the L98 more than the LT1 and LS1. Although the LT1 does sound better than the LS1. (they really need to do something about the sound of the new engines, that all-out muscular Chevrolet sound/rumble just isn't there)

I think that exhaust would sound great on a 350 TPI. Even better if it were true dual like Willie's. Willie, do you intend to get more or better video's/sound files?

Last edited by IZ28; May 18, 2004 at 02:54 AM.
Old May 18, 2004 | 12:27 AM
  #14  
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Sounds good man, I am gonna get some chambered mufflers on there if it kills me. How much did it run you to have that rear section fabbed up. I really want to mount it there, but I could live with it under the car

Will
Old May 18, 2004 | 08:50 PM
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Why do LS1's sound like such crap? What is so diff. about them?
What kind of fuel-delivery system does and LS1 and LT1 have? I have been told it was MPI.. but always thought it was TPI until I have read this thread and really thought about it...



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