The Playstation livery certainly doesn't harm its credentials, nor does this video of Touring Car driver Andrew Jordan absolutely hammering it around Silverstone.
And the chirp on that turbo wastegate... Filth!
And thanks to our old friend 'GT1 racing class homologation rules' there was also a street legal version, the 911 GT1 Straßenversion.
Not that you'd risk it on your local speed-bumps or cattle grids, mind...