HONDA CRF450R 2011-2012 - YOSHIMURA
RS-4 STAINLESS/ALUMINUM FULL SYSTEM: As the official exhaust of the Rockstar Makita Suzuki Yoshimura Supercross/Motocross team, this exhaust was designed with one thing in mind, winning races. The RS-4 is a unique design with predicated power, a side benefit of a quiet earthy exhaust note that...