Put more "thump" in Honda's entry-level, single-cylinder CBR250R sportbike with a lightweight, tri-oval Yoshimura R&D TRC slip-on exhaust. Choose from a polished stainless steel or a carbon-fiber muffler sleeve, with either stainless or carbon end caps. A removable low-volume baffle insert is included, along with a laser-etched heel guard. Prices range from $379 to $549. A full system is also available.