NEW! 2005-2006 Honda CBR 600RR Yoshimura RS5 Undertail Full Exhaust System with Stainless Steel Headers & Cone End Cap. Features Stainless Steel Duplex Headers with Crossover Tubes to increase low and mid range torque while allowing maximum high end horsepower gain.Yoshimura's Racing Full Systems are the standard to which all other race exhausts are measured. The mufflers are hand-packed by the same engineers that have led Yoshimura to multiple AMA Superbike Championships.