The Series 2 Lotus Elise failed its U.S. headlight regulations and failed the 5 mph impact test, and it was sold in America anyway — under a three-year exemption. It went on to become what many consider the finest Lotus ever built, running a Toyota engine with a cylinder head designed by Yamaha. Read on to find out how a company famous for adding lightness ended up 187 pounds heavier and still faster than before.