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 Post subject: Why is the LS1 so damn quiet!
PostPosted: Fri May 03, 2002 10:55 am 
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Location: Cardiff, South Wales, UK
Just had a Loudmouth type exhaust fitted using 2 1/2" pipe and no silencers. Louder, yes, throatier, yes, palbably more powerful, yes, you can really feel it through the SOTP but it's STILL too damn quiet! Oh well.

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 Post subject:
PostPosted: Fri May 03, 2002 1:06 pm 
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Joined: Sun May 27, 2001 3:42 pm
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Location: FL
It's called a aluminum block. Harmonics respond different. Put some headers on there w/ no cats you'll hear it then.


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 Post subject:
PostPosted: Sat May 04, 2002 7:46 am 
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Location: Mehlingen,Rhineland Pfalz, Deutschland
Lusifer

I kinda envy you here on this one . Mine is loud at idle ,off idle ,cruise and wide open throttle. But once avove 140 at WOT it gets very quiet. I think I've narrowed the problem to the space time continuem theory.

HEADERS OR CAM WILL GIVE IT SOME GOOD NOISE THROUGH THE WHOLE RPM RANGE.

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 Post subject:
PostPosted: Sat May 04, 2002 4:35 pm 
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Joined: Mon May 28, 2001 6:03 pm
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I have long tubes and the Corsa catback, and it is quiet at idle, but when you rev that puppy, she comes alive!! :)

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 Post subject:
PostPosted: Sun May 05, 2002 9:21 pm 
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HEADERS OR CAM WILL GIVE IT SOME GOOD NOISE THROUGH THE WHOLE RPM RANGE. [/quote]

I have a sixer with both and it is still quiet. LOL


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 Post subject:
PostPosted: Mon May 06, 2002 5:00 pm 
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That's because it's a sixer! :p

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 Post subject:
PostPosted: Sat May 11, 2002 7:19 pm 
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Joined: Fri Nov 16, 2001 2:08 pm
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Location: Newcastle upon Tyne, England, UK
Two questions:

1. Does the PCM need any adjustment after changing any part of the exhaust?
2. Are the lengths of the pipes before the Y piece designed so tht when the sound waves enter the Y piece one side cancels the other out?
(Basic sound waves theory!!!)

Just a thought


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 Post subject:
PostPosted: Sun May 12, 2002 2:02 pm 
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No adjustment needed.

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 Post subject:
PostPosted: Mon May 13, 2002 4:26 pm 
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Joined: Fri Apr 26, 2002 7:17 pm
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Location: Winder, GA
Does anybody have a loudmouth CHEAP? After hearing Roy's and Hawk's I WANT ONE!! My neighbors won't like but they'll get used to it!!

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 Post subject:
PostPosted: Tue May 14, 2002 5:12 am 
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Location: Mehlingen,Rhineland Pfalz, Deutschland
Val
You wanna swap to see if you really like it first?

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 Post subject:
PostPosted: Tue May 14, 2002 7:22 am 
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I think.... YES YES YES!!!! Just let me know when!!

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 Post subject:
PostPosted: Tue May 14, 2002 7:30 am 
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Roy I have a extra quiet SLP muffler do you want it cheap.


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 Post subject:
PostPosted: Tue May 14, 2002 9:45 am 
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What type of hp increase does the loudmouth give you?
Roy, are you thinking of getting rid of yours?

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 Post subject:
PostPosted: Tue May 14, 2002 9:53 am 
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Location: Cardiff, South Wales, UK
The exhaust is supposed to give you something like 15bhp but it really comes down to whether it makes your car faster rather than louder. I'm going to Avon Park again this weekend (19th May) to see whether the exhaust can cut into my 13.97. I'm aiming for a 13.7 and I'll be happy with that for now. My FIPK is currently stranded in the States but when that arrives, I will be looking for, nay, demanding a 13.5. If not, it will have to be crushed and recycled into a Civic. Hehe. No pressure then.

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