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Need to quiet down my exhaust..

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Old 03-10-2008, 02:00 PM
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Default Need to quiet down my exhaust..

My Loudmouth used to sound ok when I had a cam only car. Now I have a h/c 370 with a D1 on it. All I have is Pacesetter 1 3/4 headers, 3" Y-pipe (no cats) and a LM resonator. I am trying to get some ideas on what I can change to. I was thinking of maybe getting a Moroso Spiral Flow in place of the LM resonator. Would that quiet it down a good bit and not be so damn raspy. Since I changed motors my exhaust is just plain annoying to me now. Any ideas would be greatly appreciated. -Cody
Old 03-10-2008, 02:16 PM
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alot of people like the borla xr1. I got tht to replace my lm1 just havent put it on yet. they say it takes away alot of the rasp. But its 140 for the muffler
Old 03-10-2008, 09:50 PM
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I put some resonator tips on mine, they smoothed it out quite a bit, course mine probably wasnt as loud as yours is now, but I was suprised how much it helped.
Old 03-10-2008, 09:52 PM
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Glad to see I'm not the only one looking to go quieter, I am actually considering putting the cats back on to help with the sound and the raw gas smell.
Old 03-11-2008, 11:39 PM
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Any suggestions? Bullet or Moroso Spiral flow?
Old 03-11-2008, 11:47 PM
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single chamber flowmasters or oval borla xr1
Old 03-12-2008, 12:20 AM
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Just did a spiral flow on mine and I think it is quieter than it was with cats, manifolds and an LM1. Still sounds badass at WOT.
Old 03-12-2008, 02:49 PM
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Originally Posted by J&J Motorsports FL
Just did a spiral flow on mine and I think it is quieter than it was with cats, manifolds and an LM1. Still sounds badass at WOT.
Do you have a vid of it by chance?
Old 03-12-2008, 04:09 PM
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Here is my lm2 with the xr1 on it.


http://s246.photobucket.com/albums/g...rrent=X-R1.flv
http://s246.photobucket.com/albums/g...Borlamouth.flv
Old 03-12-2008, 04:11 PM
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+1 for xr1
Old 03-12-2008, 04:36 PM
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It'll still be too loud with a bullet in my opinion. Take a hint from the NY governor - it's Hooker time!
Old 03-16-2008, 02:09 PM
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Well I wanna keep my Center mount exhaust. So should I just leave the LM resonator on and put a magnaflow muffler in the stock spot? Would that work?
Old 04-27-2008, 10:23 AM
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i just installed pacesetter lts and have lm1 and its so annoying. my tune will help with some of the lug as i can change shift points but it is loud, cackles, and rattles bad, i need something to take it down a notch. the rattling is driving me insane and wide open is ridiculous loud. add cats or just a muffler?
Old 04-27-2008, 11:01 AM
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I've heard the XR-1 sounds really good on the loudmouth in place of the stock muffler.




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