Some car tuners think that 610 HP is not enough for speed addicts and Edo Competition decided to improve the Bentley Continental GT Speed, a car that has 610 horses under the hood. Edo took the 6.0L W12 engine, added a stainless steel exhaust system and improved to car’s engine cooling unit to get a small power boost. The new high performance exhaust even features butterfly valves and the driver can decide when he wants to open up the valves to heard the sull sound of the W12 engine from a remote controller. Their engine could deliver 680 HP, 70HP more than the stock version and has a maximum torque of 649 lb-ft. Thanks to these performance improvements this Bentley could accelerate from 0 to 100 km/h in just 4.2 seconds and it could reach a breathtaking top speed of 340 km/h.