Boys will be boys. A penchant for fast cars and shiny wheels typically starts early and continues into their adult lives.However, not all boys get to live out their childhood dream of zipping around town in a flashy, two-seater convertible. But for twins Kelvin and Melvin Tong, that dream took them to a successful new venture.As founding members of Extreme Limousines and Tours Sdn Bhd, their business allows them to rent fancy luxury wheels to discerning users.Their signature offering is a Chrysler limousine that seats 10 and is as long as a bus.