Porsche Carrera 991.2 2017-2019 | How the PSE Muffler Works | Explanation with Cut Open Muffler

In this video, we show you how a 991.2 PSE (Porsche Sport Exhaust) muffler works.
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[@Scope951]

That was a great video. Thank you!

[@thestefsterbun1820]

That was great - thanks!

[@rubioalejo]

When normal mode is activated valves are close but at 3000rpm when the flow increase,valves open automatically.