Porsche Cayenne S 957 - 3" Muffler Delete Comparison (Cold Start, Rev, WOT)
Here's a comparison between a 3" muffler delete and stock mufflers on a 2008-2010 Porsche Cayenne S 4.8L V8. The 3" muffler delete Cayenne still has both cats on, this is only with the muffler removed and replaced with 3" piping along with OEM exhaust tips. With the muffler delete you will experience some cabin drone at highway speeds.
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