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Used Porsche Cars for sale in Slough, Berkshire | RSJ Sports Cars

exhaust sounds more throaty

R

richardofengland

Nurburgring
Joined
7 Mar 2006
Messages
446
Excuse the lack of technical description and I have not found some wonderful new roaring GT3 exhaust.

My exhaust is not blowing but sounds louder, so my question is do exhausts gradually become noisier between services, as my last two 911's have sounder louder as time has gone on.








Migration info. Legacy thread was 137560
 
Some exhaust can sound a little bit louder as the sound muffling material slowly disintegrate over time, but should'nt be a sudden change. You might have a connection or a seal loose?

Migration info. Legacy thread was 137563
 
Previous poster said:
Quote: Originally posted by Butzi on 30 April 2007

Some exhaust can sound a little bit louder as the sound muffling material slowly disintegrate over time, but should be a sudden change. You might have a connection or a seal loose?
Click to expand...
Thanks, I will keep an eye on it.

Migration info. Legacy thread was 137564
 
Previous poster said:
Quote: Originally posted by Butzi on 30 April 2007

Some exhaust can sound a little bit louder as the sound muffling material slowly disintegrate over time
Click to expand...
Whats in the zorst ? Can the muffling material be taken out to rasp it up a bit ?

Migration info. Legacy thread was 137576
 
Isn't it wire wool or some such substance, there was an article in 911& PW about Haywood & Scott with some piccies.

Migration info. Legacy thread was 137586
 
In bike exhausts, mufflers have wool like material (I'm gonna sound so amateur-ish!) that absorbs the noise, which can just disintegrate over time, and sometimes need to be "re-packed". I think car mufflers are petty much the same?

Unlike car mufflers, the bike exhaust can be dismantled easily and put back together with a few rivets.




Migration info. Legacy thread was 137589
 
Previous poster said:
Quote: Originally posted by sTTu on 30 April 2007

Previous poster said:
Quote: Originally posted by Butzi on 30 April 2007

Some exhaust can sound a little bit louder as the sound muffling material slowly disintegrate over time
Click to expand...
Whats in the zorst ? Can the muffling material be taken out to rasp it up a bit ?
Click to expand...
That's what Gert does with his RSRs.

Migration info. Legacy thread was 137763
 
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