Porsche 911 Gt 3 Rs. This is how GT Porsches go. But this is a Porsche RS, so we're talking incremental here.
Porsche 911 GT3 RS at Lightning Lap 2016 - Feature - Car ... (Bill Kennedy)
This is how GT Porsches go. Join him on his trip to the Nardo test track. But this is a Porsche RS, so we're talking incremental here.
It was built to be used on the race-track but it was legal to drive it on the road.