Most HP IN CATBACK
Originally Posted by Viper
Because it's all about the design and noise cancellation techniques. Muffler 'sound' is a science not just piping thrown together.
I could bend up a bunch of brass tubing, but I couldn't call it a Trombone.
Originally Posted by ping2day
The LMII is supposed to be a little better sounding not as loud with the good flow correct?
but doesnt the LM and GMMG look alike??? i remember looking ay LM on my buddies SS.. looked like the GMMG or am i mistaken?
Originally Posted by TORCHD 02 TA
but doesnt the LM and GMMG look alike??? i remember looking ay LM on my buddies SS.. looked like the GMMG or am i mistaken?
all catbacks are going to increase about the same... except flowmaster. my riend ran 10.9 through a hooker catback with his 408 and I have ran 11.7 through my old loudmouth, i now have a hooker for the simple fact to quiet it down a little bit since i drive it everyday, and if i want to be loud all I have to do is take the muffler off, thats the cool thing about the hooker. 
Originally Posted by TheBlurLS1
You are mistaken. The Loudmouth has a resonator in the I pipe before the rear end, then it goes over the axle, splits into 2, then has tips. The GMMG goes over the axle, splits to two, then has 2 long *** resonators and a pipe going out each side to the tips.
do you have a pic of the LM vs. GMMG?? although i know GMMG looks like since i put it on lst wed.. Just curious
but i have no idea that the I pipe had resinators..
If you have stock manifolds/cats then LM is the way to go. It sounds badass and provides the most gains due to it's straight through design. If you have shorty headers it still sounds good but is pretty loud compared to other catbacks. Once you start doing LT's, ORY, or a combo of the two it sounds like ***, especially when that setup is hooked up to a bigger cubed motor. I've been there, done that with all that I have explained. Right now I have the 408/LT/ORY/LM setup and it sounds horrendously loud. I certainly love loud as I'm a huge fan of the LM with anything less than LT/ORY, but once you do those it's game over. My car has been forced into a granny-shifting mobile to avoid the rasp at all costs until I get some magnaflow high-flow cats welded in.
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This is a great discussion with a lot of data i can use in my decision making process. I do have stock manifolds and cats for this year. How much is the GMMA compared to the LMII? I know the LMII is around $420. minus 10% from SLP this month.
People get the GMMG because they care about two things: sound refinement, and quality of construction (inside and out). GMMG embodies both. The LM is for people who care about two things: flow, and loudness. I used to love the loudness until this thing called rasp came into effect with more exhaust mods, at which point flow became a lesser quality than sound refinement.
buy pacesetter long tubes--$375ish
2 12" dynomax bullets------$80
Hammermod your cars floorpan
install a bullet one each LT
Whalla.....no cat-back needed and some serious cat-back owner.....ownage. lol
2 12" dynomax bullets------$80
Hammermod your cars floorpan
install a bullet one each LT
Whalla.....no cat-back needed and some serious cat-back owner.....ownage. lol
Teching In
Joined: Oct 2005
Posts: 13
Likes: 0
Originally Posted by seadoo
well actually, you will gain power with a good muffler over no muffler at all ...
