This new RS-9 Enduro Series full system not only increases the power, and torque, it reduces weight over the stock system. Unmistakable is the one of a kind look of the RS-9, add to that the legendary Yoshimura exhaust note and it's over!

A laser cut heat shield and a USFS Approved spark arrester is included with this system.

• Parallelogram-shaped muffler
• Increased muffler volume over stock system, resulting in better throttle response and improved noise cancellation
• Light-weight muffler construction with carbon fiber end-cap
• Reduced weight over OEM system: Yoshimura Full System weight 5.6 lbs vs Stock System weight 6.7 lbs
• Stainless steel header and tail-pipe
• Repack Kits, optional Inserts and Spark Arresters are available for all models
• Fits all 2009-Current KLX140’s