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Yoshimura RS-4 Slip-On Exhaust
While the RS-4 Exhaust was debuted as Yoshimura's premier exhaust for off-road racing applications, but R&D couldn't stop there. They have mated this sophisticated and stylish muffler to a variety of bigger machines. The RS-4 is a pentagonal shaped muffler that features a carbon fiber cone end cap, two stage stepped baffle and striking good looks. The RS-4 muffler features a new front cap design that functions as a polyresonant chamber, thus creating a more quiet muffler with improved mid to top end power.
Along with improving sound and power, this system moves the muffler weight lower and closer to the bike for improved handling and weight distribution. Yoshimura continues to provide the best in performance exhaust systems.
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Carbon fiber end-cap
- Stainless steel mid-pipe (applicable models)
- Made in the USA
- 1090 Adventure R 2017
- 1190 Adventure 2014-2016
- 1190 Adventure R 2014-2016
- 1290 Super Adventure 2015-2016
- 1290 Super Adventure R 2017
- Tiger 800 2012-2014
- Tiger 800 XC 2012-2016
- Tiger 800 XCa 2017
- Tiger 800 XCx 2015-2017
- Tiger 800 XR 2015-2017
- Tiger 800 XRt 2017
- Tiger 800 XRx 2015-2017
- Tiger Explorer 2012-2013
- Tiger Explorer XC 2012-2013
- Super Tenere 2012-2017
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Reviews & Questions
The install was easy, but the instructions were barely adequate. I was glad I found install videos online to supplement them. What to do with the servo cables is really the only difficulty. I decided to buy a servo eliminator, so I did not need the included metal plate to attach to the servo motor. If you do plan to use it, make sure to have or acquire a torx tamper resistant set. The screw you take off to put the plate onto the servo requires it.
The construction quality is very good though the heat shield that is included could be better. It is shiny black, not flat black fyi. I have not noticed any sort of gain or loss of power. I do not feel the need to gain power/torque, but I certainly didn't want to lose any. If you don't like the look of a short pipe, and you value quality over loudness, this may be a good choice for you. Ride safe!