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-   -   LM or gmmg can't decide (https://ls1tech.com/forums/generation-iii-external-engine/680410-lm-gmmg-cant-decide.html)

89Formulaws6 Mar 21, 2007 04:19 PM

LM or gmmg can't decide+ Update pg 3 headers and LM2 installed
 
well my car has a crapmaster on there right now its too quite

so i ordered some LT's and off road y pipe (no cats) no more and really like some of the clips i heard of the gmmg they were pretty damn loud which is what i want.

but then i read that the gmmg isn't really that loud

i was gonna make my own gmmg setup to save $$$

but i have a loudmouth 2 muffler laying around

hmm not sure opinions?

i think i'll be happy with the gmmg tho and LT's

sickws698 Mar 21, 2007 04:20 PM

if your ganna be running lt's and ORY deffanitly go with the GMMG....if you had the slp on it would be wayy to raspyyy! gmmg mite even have a little rasp but most cat back systems with ORY do....other wise go td's and youll fall inlove

green28 Mar 21, 2007 04:23 PM

For sure the GMMG over the loudmouth with LT's and ORY. If you don't mind spending the extra money for the GMMG. Loudmouth is fine on stock setup, but I'm wish I would have done some research before I got mine and then got LT's with ORY a few months later.

Breaking Stuff Mar 21, 2007 05:13 PM

I have LM w/ ORY, and think its obnoxious. So obnoxious I dont even want to beat the shit out of it anymore. Allways afraid the cop 2 miles down the road will hear me coming and be ready for me. I would give my left nut to have this thing quieter. If you live in an area where you can get away with it, I say go for it. If not do yourself a favor and get something milder if going with an ORY. Just my 0.02.

CAMAROZ28AQUINO Mar 21, 2007 05:20 PM

GMMG FTW! sounds way better than LM IMO.

WS6 Rampage Mar 21, 2007 06:06 PM

LoudMouth.....Yeeeeeeeeaaaaaaaa Boooooyyyyyyyy!

89Formulaws6 Mar 21, 2007 07:24 PM

yeah but the lm is basically just a hollow tube thats bigger on the inside i don't see the point of haven one vs just straight pipeing it or does that somehow muffle the sound a tad haha

a local guy is selling me some hedman hedars cheap but i'm not sure what brand the Y is

but if gmmg is gonna be real loud and sound good i'll prolly go that way

what are td's?

6LITEREATER Mar 21, 2007 07:29 PM

GMMG is NOT really loud... Not by my or most real hotrodders definitions at least. Maybe by some grandmothers...

GMMG is the old man's exhaust... Expensive, relatively effective, and "loud enough for me" says the old man :lol:

I would say loud mouth if you want loud, Magnaflow muffler if you want FLOW and good sound.

Or just get a 4" Mufflex with a Spintech dual 3" out like me and it will sound like an old school big block once you get a cam ;)!

Summit2345 Mar 21, 2007 08:14 PM

GMMG FTW!!! I have some videos of my car at idle, inside the car hauling ass, and a fly by if you want to see them.

Detoxx03 Mar 21, 2007 08:25 PM

Go with the LM2. Everyone on here always seem to forget about this one. It is quieter then the LM1 but not soft like the GMMG.

2_wacko Mar 21, 2007 08:26 PM

I have the GMMG with cats and its quite but screams when I get on it.

89Formulaws6 Mar 21, 2007 08:32 PM

summit post em up!

i'll try the lm2 after i get the lt's and ory installed since i can just clamp that on

NHRAMAN Mar 21, 2007 08:50 PM

GO GMMG. I am going to sooner or later. Or Duals. :jest:

BLK02TA Mar 21, 2007 10:01 PM


Originally Posted by sickws698
if your ganna be running lt's and ORY deffanitly go with the GMMG....if you had the slp on it would be wayy to raspyyy! gmmg mite even have a little rasp but most cat back systems with ORY do....other wise go td's and youll fall inlove

Ok i don't know what GMMG you've heard but with an ORY its raspy just like LM. I say get the LM and put the money saved towards other mods!:judge: :judge: In your case an LS6 intake(if you dont have one yet) :D

89Formulaws6 Mar 21, 2007 10:23 PM

good call, i'll run the lm2 for now i'm thinking

2_wacko your clip sounds good, same color car as mine :)

Summit2345 Mar 21, 2007 11:14 PM

All three videos where taken with the same camera.


Driving around
Fly by
Idle

SweeTbone Mar 21, 2007 11:17 PM

I recommend the GMMG. I have a sound clip in my sig, and if you search GMMG, you'll find some more of my clips. Where around Detroit are you from?

sledneck687 Mar 21, 2007 11:56 PM

gmmg FTW, had the LM and heard the gmmg in person. the gmmg has more of a tone to it. Sounds really refined with cats if you ever decide to go that route, and summit, your car sound sicckk

orangeapeel Mar 21, 2007 11:58 PM

What is there to decide? One is loud, one is defined....I would say GMMG any day of the week of the loudmouth.


But that is just me.

ChocoTaco369 Mar 22, 2007 12:56 AM

they're both going to be very raspy with an ORY, even the GMMG. it won't sound much different than a loudmouth - just noise and rasp. IMO, you should cancel the ORY and get true duals. that's the only way to go if you're gonna run catless IMO.

but i suppose if you HAD to, i'd go GMMG, but it's like deciding if you'd rather be shot in the leg or the foot. it's not about what sounds better, but what doesn't sound as bad.


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