Cargraphic Exhaust on Porsche Turbo 997

This is an "in action" video of a Porsche 911 997 Turbo MK1 fitted with Cargraphic exhaust system producing great sound. ►"Like" my Facebook page:   / nm2255   ►Subscribe to my second car channel:    / nickcarvideos   ►Follow me on Twitter:   / nm2255   ►Follow me on Google+: http://plus.google.com/+NM2255