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In the world of Adventure bikes, KTM big bore bikes are held in very high regard. KTM 1290, 1190 and now with addition of the new 1090, the orange brand is aiming high at filling every desire of the adventure rider.
For those that want to compliment these three KTM machines, Yoshimura has developed an RS-4 slip-on that delivers in every area that an adventure rider would desires - power, sound and looks. The power that the RS-4 provides is second to none, delivering a 3.1% max gain in horsepower and a 2.7% max gain in torque. The sound the RS-4 provides is throatier, and with over a 5 lbs. weight loss, acceleration and throttle response has been improved dramatically. Finished off with Yoshimura's own Works Finish and you have a winner!
Included with each RS-4 is a sound insert. Optional spark arrestor (SA-17-K) is available separately.
This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.
Attention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.
All Street Series systems are Slip-on / Bolt-on applications that do not require tampering with the vehicle's emissions control system, yet still deliver that special spirit the world has come to expect from the legendary company known as Yoshimura. Street Series applications cover all of the iconic profiles that Yoshimura has become famous for. From the legendary tri-oval profiles to the refined ALPHA mufflers, and even our R-55 angular masterpieces. Our Street Series exhaust offer street-legal options for almost everything on two wheels.