EXHAUST
EXHAUST SYSTEMS AND SLIP-ON/ BOLT-ON MUFFLERS
QUALITY SINCE 1954
  • Championship-winning racetrack experience and Yoshimura’s extensive R&D facility ensure these pipes perform
  • This dedication to research and development is only matched by Yoshimura’s dedication to uncompromising quality standards
  • True performance art for your motorcycle
  • SIGNATURE SERIES EXHAUST
  • All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels
  • Do not require changing the motorcycle’s emissions control systems
  • CARB and EPA emissions “Replacement Parts”
  • Certified by independent laboratory for EPA noise levels
  • STREET SERIES EXHAUST
  • Deliver performance in a slip-on/ bolt-on muffler package
  • Do not require changing the motorcycle’s emissions control systems
  • Marked with appropriate EPA noise emissions labels
  • CARB and EPA emissions “Replacement Parts”
  • Not tested for EPA noise levels
  • RACE SERIES EXHAUST
  • Designed for closed-course competition use only; not for street use
  • Meet noise level regulations of most worldwide race sanctioning organizations
  • Marked with appropriate EPA noise emissions labels
  • Not tested for EPA noise levels
  • WORKS FINISH EXHAUST
  • Features a header that takes on a unique coloring after going through a heat cycle on the motorcycle
  • Contemporary satin/ matte finish increases fatigue strength and header pipe scratch resistance
  • Provides uniform heat coloration for the entire length of the header pipes
  • Available on select Street, Race and Signature series exhaust systems (see chart)
  • To avoid blueing, consider properly tuning the vehicle; however, the vehicle must always remain within the legal standards for emissions controls as
    defined by EPA, CARB and any other applicable state laws.
    SEE PAGE 6 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
    2018 PARTS UNLIMITED STREET