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  • Yoshimura RS4
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Yoshimura RS-4 Works Finish - KTM Adventure 1050/1090/1190/1290

$599.00 $589.00
(You save $10.00)

Product Description

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. (Note: Inserts for R77 Mufflers will not fit this muffler)

Proudly made in the USA

New Yoshimura Works Finish takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components our factory racers use.

  • Contemporary Satin/matte finish
  • Uniform heat coloration
  • Increased fatigue strength
  • Increased scratch and stain resistance

Product Videos

2017 KTM 1090 Adventure R Sound - Stock vs. Yoshimura RS-4 slip-on 00:58

Listen to the new Yoshimura RS-4 Street Series slip-on for the KTM 1090 Adventure R. This has the insert (DB killer) installed and comes with this slip-on. This fits the KTM1190 and 1290 as well.

  • 2017 KTM 1090 ...
    Listen to the new Yoshimura RS-4 Street Series slip-on for the...
    New Yoshimura Works Finish. Works Finish takes on a unique col...

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Shipping Weight:
13.00 LBS
Calculated at checkout