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Loudmouth 2 vs Loudmouth 1, RWHP and FLOW ONLY

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Old 03-04-2008, 09:49 PM
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Default Loudmouth 2 vs Loudmouth 1, RWHP and FLOW ONLY

I know the LM2 bullet muffler has a smaller inside diameter, but what about flow? From what I understand, the LM1 is pretty much the best flowing catback. So how does the LM2 compare?
Old 03-04-2008, 09:52 PM
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the LM1 is more or less a straight through pipe... when I bought mine I looked down the resonater and it looked just like straight tubing with another layer of tubing welded over the outside...
Old 03-04-2008, 10:07 PM
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i really dont think youll feel the difference at all...soundwise is another story! i have the full SLP setup w/ LM2s and it has a very good sound i think! its deep and clean!
Old 03-05-2008, 12:14 PM
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Anyone else? According to SLP they flow the same.
Old 03-05-2008, 12:24 PM
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Originally Posted by blacksnake
I know the LM2 bullet muffler has a smaller inside diameter, but what about flow? From what I understand, the LM1 is pretty much the best flowing catback. So how does the LM2 compare?
I'm running the lm2, i tested a straight pipe and the lm2, both flowed and dynoed the same.

I like the lm2 less rasp and great sound.

I'm cammed and ory and headers.
Old 03-05-2008, 05:29 PM
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Originally Posted by blacksnake
Anyone else? According to SLP they flow the same.
like i said, its all in sound between the two! i think you should just pick the setup that sounds better to you
Old 03-05-2008, 06:01 PM
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Thanks guys, I've got the Loudmouth 2 sitting in my garage, waiting to be installed. I've already removed the stock catback.

I figured they flowed about the same(LMI and LMII), but I had seen some people question the LMII because of the reduced inside diameter. I just wanted piece of mind.




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