Porsche 718 Spyder - DRIVE, Exhaust valve controller install from Cargraphic

See the Install:    • Porsche 718 Spyder, GT4, GTS - Exhaust Con...   First drive after the install of the Cargraphic exhaust valve controller. The cheapest and first exhaust mod you should do to the 718 Spyder, GT4 and GTS models.