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SLP LoudMouth 1

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Old 04-08-2010, 06:15 PM
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just got my camaro back from getting the LM1 put on...it had the axle back borla on it...it kinda sounds the same..not as loud as everyone is saying it is...is it because i have stock manifolds and stock cats?
Old 04-08-2010, 06:34 PM
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Yuuuuuup. Stick some LT's and a ORY on there and then see if it's loud.

As for Borla and LM1 sounding the same...uuuuuuuuhhh???? Are you referring to the loudness aspect, or the sound aspect? Because LM1 and Borla sound nothing alike...

Hell, not even LM2 and Borlamouth sound alike. Lol.
Old 04-08-2010, 06:49 PM
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I dunno, i am sure the lm1 is the loudest out there for stock manifolds.
Old 04-08-2010, 07:48 PM
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I know it sounds crazy but it's true...if anything it sounds deeper and a little bit more quiet then the Borla...is it also possible that it has to break in and it will get louder? I know that happened with the cat back I bought for my 2001 accord
Old 04-08-2010, 07:54 PM
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Deeper, probably, quieter...uuuuuuuuuuuuuuuuh. Lol. Idk man. Lol. LM1 is the LOUDEST catback out there for our cars...

I had LM2 on my car w/ LT's and ORY and it was DEEP cruising around town, then got really rasp, then got really loud as the RPM's continue to rise.
Old 04-08-2010, 08:10 PM
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Are you sure you got LM1 and not LM2?

Have you ever seen the LM1 muffler? It is literally just an extruded piece of pipe. There's nothing in there at all. It might as well be straight pipes. You could in no way may this setup louder unless you dumped it right after the headers.

When I had LM1 with stock manifolds and cats i loved it! Then I did LT's and an ORY and I hated it. I mean, it was day and night, my love and hate for these exhaust setups. Then I did a high stall converter and wanted to cry everytime I drove it. I now have a magnaflow catback and I love driving it again.

But that is kind of a highjack. heh.
Old 04-08-2010, 08:11 PM
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i agree on lm1 being the loudest ive ever heard. like stated earlier, throw some lt's on ory on there and then see what you think. thats what i have.
Old 04-08-2010, 08:21 PM
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Yes I kno I have the loudmouth 1...but my question is not getting answered..I kno if I put headers and a ory on it will sound louder...my question is..does it have a break in process where it will get louder?
Old 04-08-2010, 08:32 PM
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No, there's no break-in period...
Old 04-08-2010, 08:36 PM
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finally...thank you....i honestly dont hear a difference...maybe its just my imagination from being used to the borla
Old 04-08-2010, 08:46 PM
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quick question...if i get long tube headers..can i use my stock cats and y pipe?
Old 04-08-2010, 10:30 PM
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I'd say no, my headers had a 3 bolt ball flange and y pipe had a 2 bolt straight flange. Other headers have a compresion type flange that clamps on to the exhaust pipes. The stock cats wont fit, but with anything if you want to spend crazy money for nothing you could get the whole thing fabbed up to work.

Last edited by BlurSS; 04-08-2010 at 10:36 PM.
Old 04-08-2010, 10:38 PM
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I've never seen a LT setup that uses the stock cats and/or y-pipe. Shorties will fit, but will gain you a few less HP.

Do you need to keep cats or are you desiring to so that you can reduce rasp?
Old 04-08-2010, 10:42 PM
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what about those shorty headers...are they worth it? i would love nothing more then to get rid of those f***ing cats but i have no one to pass me on emissions. . . .
Old 04-09-2010, 12:06 AM
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Originally Posted by 2001-CamaroSS-LS1
what about those shorty headers...are they worth it? i would love nothing more then to get rid of those f***ing cats but i have no one to pass me on emissions. . . .
dont get an ory then. get a catted one.
Old 04-09-2010, 12:49 AM
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shortys would do great for me...a little less hp is no big deal to me...i plan on changing my rear gears and new heads....so shortys will fit up to my stock cats and y?...sorry guys..im a little new to this stuff..haha
Old 04-09-2010, 07:15 AM
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People tell me my car is loud but i really dont think its bad at all even w/ headers if you run cats.
Old 04-09-2010, 11:20 AM
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If you put LTs in front of the LM, get a catted Y and use high-flo cats

Old 04-09-2010, 01:20 PM
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Originally Posted by Gatsby
When I had LM1 with stock manifolds and cats i loved it! Then I did LT's and an ORY and I hated it. I mean, it was day and night, my love and hate for these exhaust setups. Then I did a high stall converter and wanted to cry everytime I drove it. I now have a magnaflow catback and I love driving it again.
I'm in the same boat and just finished my converter install and was thinking about getting a magnaflow. Do you have any sound clips or comments on your new setup? Did the magnaflow take care of all the rasp and drone the LM1 had?
Old 04-10-2010, 12:05 PM
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I have LM1 off road y and flowmaster merge and it sounds great .... Not all that loud at all under normal driving .... The at wot sounds like a race car lol . I like it good tone not all that much rasp . Maybe because I have an a4 idk tho.


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