Exhaust system YOSHIMURA Honda CRF450R/RX 2027 RS-12 FS-TI-TI-CF

All-new RS-12evo system.
The latest evolution of the Honda CRF450R brings a host of improvements. A new chassis, airbox and ECU configuration deliver more power with less noise. The CRF450R complies with the 109 dB limit, and our new RS-12evo Signature Series system keeps it there while improving rideability, power and torque with less weight.
Features include:
All-new RS-12evo carbon end cap
It was time to enhance the look of the RS-12. Introducing RS-12evo, the next level from Yoshimura, representing our R&D engineers’ relentless pursuit of form and function.
All-new hydroformed muffler
The RS-12evo features an all-new hydroformed muffler design that makes the most efficient use of the space next to the airbox, subframe and shock, creating a custom-tailored fit unlike any other. The new sleeve also incorporates a deep-drawn, one-piece resonator for improved durability. Efficiency is one thing, but the RS-12evo muffler’s styling is second to none.
Precision Taper Fit
Precision Taper Fit sound inserts are a patent-pending system that allows easy removal and installation of sound inserts and spark arrestors on RS-12 and RS-12evo mufflers.
Hydroformed header primary
Performance is improved by precisely matching the oval exhaust port, with an exceptionally smooth internal transition from oval to round. Durability is increased by reducing welded connections, while the repeatability of the hydroforming process ensures a better fit.
Header resonator
Developed through countless hours of collaboration with Honda HRC teams, our header resonator is more than just a styling feature. It helps maximize power across the rev range while enhancing rider connectivity.
Cast manifold
Benefits include increased strength and durability, as well as easier installation and removal.
The CRF450R RS-12evo is designed, developed and made in the USA with the help of Team Honda HRC race teams in the USA, Europe and Japan.

FS-TI-TI-CF