Always was a little underwhelmed buy the noise from the standard exhaust on the cayenne turbo. Very quiet in the cabin, so though I stuck the go pro on the back and see what it sounded like outside. I'm thinking that a S/S system might ruin the refinement in the cabin. Decisions. Decisions.

 

I had a $1000 Sebring Tuning exhaust, on my 2005 Cayenne S. It sounded BETTER than a Milltek or Akrapovic system, costing thousands more.

Personally, the stock 955 Turbo exhaust is enough for me now: