Staintune Exhaust for the 2008/09 BMW F650/800 gives riders a gain of two horsepower with no other tuning or upgrades required. The muffler provides a 2.1kg weight-savings compared to stock and is available in this lustrous mirror finish. Retailing at $599, the systems is available from the Cal Moto crew. Check ‘em out at www.calmoto.com.