*Product may vary depending on application.
The new RS-12 has been developed in collaboration with the JMC Motorsports Husqvarna racing team SX/MX 250cc for your racing bikes, Husqvarna FC and KTM SX-F 250/350. Developed exclusively with our engineers and team drivers, in order to increase power and torque, where 250 and 350 cc engines can achieve the best overall performance. This system is essential if what you want is to get the most out of your Austrian-made motorcycle.
Yoshimura has taken all the details into account when it comes to create the RS-12. It only takes one look to realize that it is unlike anything on the market. As you get closer, you notice every detail present in every part of this new dirt bike system: from the matte carbon fiber cover—with embedded stickers—to the precision-machined joints. A next level system.
- Developed and tested for more than 24 months in competition.
- The asymmetrical profile The cleverly designed and aggressive design of the RS-12 maximizes the capacity of the muffler, gives it power and allows more space for the brake calipers and tires.
- Its performance has been improved, its weight reduced and improved fit compared to the design of previous models.
- As with the systems used by factory pilots, the RS-12 system uses precision machined joints. This offers a better and more precise fit of the gaskets, as it better fixes the seal between two surfaces, leaving a perfect 360 degree contact surface, which translates into improved performance, life and fit.
- Matte carbon fiber lid, with industry-leading design and innovative details, as expected from Yoshimura.
- The assembly design of the inner covers carbon cap improves durability and eases maintenance compared to other more common sandwich mount designs in the industry.
- New, pending Precision Taper Fit (PTF) insertion system patent, facilitates the assembly and disassembly of the dB killer and the anti-spark protector.
- The design of the RS-12 allows the system to be oriented forward, which improves weight centralization but without sacrificing the performance.
- Made in the USA
Exhaust silencer finish Aluminum
Muffler cover finish Carbon
Exhaust pipe finish Stainless steel
Approval FIM approval
Stainless steel finish. / Aluminum