EXHAUST
EXHAUST SYSTEMS AND SLIP-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
  • SIGNATURE SERIES EXHAUST
    RACE SERIES EXHAUST
  • All Signature series exhaust are tested, documented
  • Designed for closed-course competition use only
  • Meet noise level regulations of most worldwide
  • race sanctioning organizations
    control systems
  • Marked with appropriate EPA noise
  • CARB and EPA emissions “Replacement Parts”
  • emissions labels
  • Not tested for EPA noise levels
  • SLIP-ON MUFFLERS
    RS-3
    RS-2
  • Oval muffler body with single turn-down exhaust tip
  • Maximized internal muffler volume for exhaust flow
  • Muffler shape increases durability and performance from
  • Straight, single-core baffle
  • muffler packing
  • Can accept low-volume sound insert
  • RS-5
  • Four-sided trapezoidal-shaped muffler sleeve produces a deep,
  • pleasing sound
  • High-flow, straight-through baffle design allows for maximum
  • RS-4
    performance gains
  • Large volume of muffler packing material around stainless steel muffler
  • stepped baffle and innovative carbon fiber cone end cap
    internals for durability and strength
  • Come with 94 dB sound insert (installed) and AMA 2-m insert
  • R-77
  • Trapezoid shape muffler sleeve to maximize exhaust flow volume
  • Straight, single-core baffle
  • RS-8
  • Can accept low-volume sound insert
  • Polished 304 L stainless steel muffler body with polished stainless
  • steel inlet
  • Multi-stage baffle to increase power and torque
  • TRC
    exhaust tip to improve flow and performance
  • Straight, single-core baffle
  • Can accept low-volume sound insert
  • 2018 PARTS UNLIMITED ATV/UTV