Exhaust

The race-bred RS-2 exhaust has proven to be extremely popular among rider looks for a combination of performance and value. It enhances performance dramatically, provides an enviable exhaust note and offers the unmistakable look and sound of Yoshimura. RS-2 mufflers feature a straight baffle that leads to a single turn-down machined aluminum end cap.

All models have a USFS Approved spark arrester in a oval-shaped sleeve with a large volume of packing material.

The RS-4 Twin Pipe kit was previously only available as a custom system for Kevin Schwantz.

Yoshimura is offering these incredible "Twice Pipes" which are completely fabricated by hand and TIG welded to perfection. They certainly sit at the high end of what is available for the mighty SM... The pipes have a stainless steel header and "Y" pipe mated to twin carbon fiber or aluminum RS-4 mufflers for incredible looks and performance. The kit also comes with a custom Yoshimura side stand.

• Pentagonal-shaped sleeve
• Front muffler cap functions as a poly resonant chamber which helps reduce noise
• Two-stage stepped baffle
• Carbon fiber end-cap

The Powercore 4 spark arrestor muffler. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. Highest quality packing for long life. Removable spark arrestor included. Louder than the Q4. Approximately 99db stock or about 94db with optional Quiet Insert installed.

• Uses long-life muffler packing for increased packing life
• Forest Service approved spark arrester

Yoshimura RS-3 that will slip right on to your stock header. Made by hand to the highest quality standards using the championship-winning racetrack experience and their extensive R&D facility ensure these pipes perform and will last.

Both full systems and slip-on mufflers include 96 dB sound insert/USFS approved spark arrestor installed in the muffler. Mid-pipe is stainless steel while the stainless RS-3 oval muffler design has a slim profile with an aluminum end cap.

Works on OEM header only!