YOU don't have to look far to find a motorcycle these days. Riders purchased 900,000 motorcycles in 2008, nearly triple the number sold in 1995. The best-known motorcycle rally, held annually in Sturgis, S.D., regularly draws more than 400,000 riders. In total, organizers put together nearly 1,000 motorcycle-related events every year. That's not bad for a mode of transportation that was once the domain of not-quite-law-abiding individuals who formed nonmainstream social clubs (biker gangs). The allure of motorcycles is centered mainly on three criteria: How does it look, how fast does it go, and how does it sound? All three result from extensive engineering, prototyping, and manufacturing efforts. As in all other areas of manufacturing, the OEMs are always on the lookout for a better method. One motorcycle manufacturer, Victory Motorcycles, a division of Polaris Industries Inc., turned to one of its suppliers, Woodsage~(TM)" Industries, for input on its exhaust systems.
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