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cars gone quiet, exhaust issues? 

 

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 Post subject: cars gone quiet, exhaust issues?
Posted: Sat May 05, 2007 10:27 pm 
Getting Side Ways
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Age: 29

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Joined: 23rd Aug 2006

Ride: 2000 AU Fairmont

Location: Perth
WA, Australia

A few days ago i noticed my car was quieter... at first i thought it was just me, but the more i drive the more im damn sure its quieter... i cant figure out why. I have a 2.5" cat-back exhaust, im wandering if its the exhaust itself or if its something to do with the engine maybe... its weird, i notice a tiny dent in the exhaust about 2-3cm after the muffler before it goes over the diff, would this affect it that greatly??? any other ideas towards this problem are welcome

 

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Posted: Sun May 06, 2007 12:02 am 
Getting Side Ways
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Ride: BA XR6 5 speed. 96 Ford Fairmont

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NT, Australia

Maybe your cats blocked???

Cheers, Nathan
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Posted: Sun May 06, 2007 12:21 am 
Getting Side Ways
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Nath_ wrote:
Maybe your cats blocked???

Cheers, Nathan


could very well be a blocked cat, have you noticed a decent lack of performance. generally if the internals of a muffler come a part theres quite a distinctive rattling noise.

 

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Posted: Sun May 06, 2007 2:39 am 
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well the day i noticed it i heard a clanging noise when i started my car up, like a peice of steel, or a wheel brace being dropped on the floor, but as i backed my car out of the garage i couldnt see anything noticable on the floor, i havent really noticed much of a decrease in performance but i havent really put my foot into it enough to tell...

 

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Posted: Sun May 06, 2007 3:48 pm 
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NSW, Australia

Sounds like a baffle has come loose and is partially blocking the exhaust. Try some hard accelleration in 1st and see if it feels constipated and holds back

 

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