It is still being good for best lap timing: the MTM Ur-Quattro S1, with its 5 cylinders engine, has once again shown this summer that it gets around the Hockenheimring almost as fast as the Porsche Armada. 25 years younger as the legendary S1 and directly from the same development department, the tuning specialist presents the MTM TT-RS with the rebirth of the 5… Read more