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Put Cat Bypass pipes on.. How do I get rid of the rasp?

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Old Jun 4, 2012 | 08:33 AM
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Put Cat Bypass pipes on.. How do I get rid of the rasp?
Ok,

I knew when I put the cat bypass pipes on my 05 Cayenne S that I would get a rasp noise. Is theyre any further exhaust modification/changes I can make to reduce this?

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Last edited by Porsche951S; Jun 4, 2012 at 08:39 AM.
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Old Jun 4, 2012 | 03:06 PM
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Resonators.. install a couple of inline resonators to reduce the rasp /noise level.
 
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Old Jun 4, 2012 | 06:41 PM
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Yes, put the factory pipes back on.
 
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Old Jul 3, 2012 | 03:42 PM
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Have someone weld the factory hangers back on.
 
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