Complete line YOSHIMURA RS-12 Signature Series - Kawasaki KX450F/X 244720S320

After over three years in development and testing the RS-12 is here! With all its details, the RS-12 takes the system to a new level: Improved performance gains, weight reduction and fit when compared to previous generation design

• Developed and tested in the heat of over 24 months of factory level racing
• Aggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume 
• RS-12 systems utilize precision machined joints : improved system life, fit and performance
• Carbon end cap covers inner cap mounted design improves durability
• Easy to install and remove sound inserts and spark arrestors
• Tapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance
• Proudly designed, developed and made in the USA