@carlosmagana59: Sound on 🔊 The before and after of installing an exhaust valve controller on the 992 Turbo S. From stealth to savage with the push of a button. 🚀 Full send mode: activated. Who else loves that turbo whistle? 😮💨 #TikTokCreatorSearchInsightsIncentive #911turbos #exhaust #PorscheMechanic #DIY