Yoshimura CRF450R-2021 RS-12 Full System Stainless Steel Carbon Fibre

Yoshimura CRF450R-2021 RS-12 Full System Stainless Steel Carbon Fibre

• Developed and tested in collaboration with HRC Honda Racing World Champion Tim Gajser and engineers.


• Aggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximise capacity and incorporates a resonance chamber for managing sound and increasing usable power.


• RS-12's unique profile also provides more clearance for tire and brake caliper.


• Unique oval manifold design was created using FEA process (Finite Element Analysis) and produced using state-of-the-art hydroforming process


• Improved performance gains, weight reduction and fit when compared to previous generation design


• RS-12 systems utilise precision machined joints.


• Works-look matte carbon fiber end cap with industry leading design and innovation end cap detailing


• Carbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry


• New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters


• Tapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralisation without sacrificing performance


• Proudly designed, developed and made in the USA!

The most anticipated 450cc motocross bike for 2021 is here! With an all-new designed chassis and engine, the new Honda CRF450 is sure to set new records. Our new RS-12 system for the new Honda CRF450 has been in development for over a year, no stone has been left unturned in our efforts to innovate and create the best exhaust system available. In collaboration with Honda Japan, HRC Honda and MXGP World Champion Tim Gajser, we were able to deliver!

The Yoshimura RS-12 and the 2021 Honda CRF450made with one goal to provide the most precision tuned machine in motocross competition. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance. Dedicated to uncompromising quality standards, Yoshimura have been manufacturing pipes to improve performance for years.

About Yoshimura

Founded in 1954 by Pop Yoshimura in Fukuoka, Japan, Yoshimura Motors started as a company focused on engine tuning. It is now a company that produces world-class, high end exhaust systems that drive racers to victory in their competitions. The company is renowned for its dedication to research and development and using cutting-edge technology to create products that remain unrivalled in the market. Yoshimura has won more championships than any other exhaust brand in the industry and has been producing exhaust systems and modified engines for over 60 years.

Shop for Yoshimura Exhausts at AMX!

If you want to enhance your dirt bike engines performance, one solution is to replace your motorcycles standard exhaust system with aftermarket exhausts. Yoshimura is a leading manufacturer of some of the finest exhaust systems available, speak to your local AMX team to discuss which exhaust is right for your bike, or to place a custom order. AMX offers free standard shipping on all online orders over $49, so make sure you get all of your Spare Parts and Accessories added to the cart.