S4 (B6 & B7 Platforms) Discussion Discussion forum for the B6 Audi S4 produced from 2003-2005 And B7 Audi S4 produced from 2005 -2008

An exhaust leak is always a great way to start the week...hopefully this is fixable.

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Old 04-24-2006, 07:30 PM
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An exhaust leak is always a great way to start the week...hopefully this is fixable.
Old 04-25-2006, 03:38 PM
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Default Re: An exhaust leak is always a great way to start the week...hopefully this is fixable.

Very dumb question...How did you know you had a leak? I have a full Milltek exhaust on my 2004 S4 and for a couple of days, I heard a rattling noise near the passenger rear wheel well and/or passenger seat, most noticable at start up, even when parked. It sounded similar to a ML55 I had when I was told I needed a new catalytic converter. The noise went away within a day or two, I have no lights on the dash and the car drives normally. Any thoughts?
Old 04-25-2006, 04:21 PM
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Default Its making a "fshhht" sound when I rev it at idle and it pops and rattles under throttle. You may..

have the dreaded loose exhaust tip problem or a loose clamp near the muffler. The sound I referred to is a weird sucking sound that kinda sounds like when a person who cant whisle tries.
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