MTM prefers the subtle art of visual understatement and maximum impact from the engineering within. With the Audi A5 3.0 V6 TDi, the technicians at Wettstetten have produced a tough rival for the near peerless S5. Independently tested at Hockenheim, MTM’s Thunderbolt smashed the S5 lap time by a dear second! Even with 50bhp less [...]