EXHAUST
Q4 TI
Q4
Q4 HEX
THE Q SERIES
SLIP-ON MUFFLERS
  • The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
  • Less mass to enhance power-to-weight ratio
  • Quiet power with minimal sacrifice for performance
  • Q4 slip-on muffler unless noted
  • Q4
  • Developed over years of championship off-road racing
  • Comes standard with spark arrestor
  • Q4 TI
  • Max sound output 96  dB; most models below 94  dB
  • American TIMETAL ® canister and end caps
  • Comes standard with spark arrestor
  • Q4 HEX
  • Less sound equals more ground
  • Meets FIM World Enduro sound regulations
  • Power gains throughout the entire rpm range
  • Pounds lighter than stock
  • Rugged design for off-road endurance
  • Made in the U.S.A.
  • MANUFACTURER NOTE: FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE.
    FITS MODEL
    DESCRIPTION
    PART #
    SUG. RETAIL
    BETA
    RR/RS 350/ 400/ 450/ 498/ 520 10-13
    Hex spark arrestor muffler
    1811-2618
    $379.99
    Spark arrestor muffler
    1821-1709
    169.99
    HONDA
    CRF150F 03-17
    Spark arrestor muffler
    1821-0887
    319.99
    CRF150R 07-16
    Spark arrestor muffler
    1821-0543
    379.99
    CRF230F 03-17
    Spark arrestor muffler
    1821-0887
    319.99
    Spark arrestor muffler
    1821-1017
    319.99
    Hex spark arrestor muffler
    1821-1447
    389.99
    CRF250R 04-05
    Spark arrestor muffler
    1821-0653
    379.99
    CRF250R 06-09
    Spark arrestor muffler (single muffler)
    1821-0655
    379.99
    Hex spark arrestor muffler (single muffler w/ UFO side panel)
    1821-1602 2
    389.99
    Spark arrestor muffler
    1821-0653
    379.99
    2 Includes left-side rear number plate by UFO, designed for use with a single muffler, PART #0520-1300 (also available separately).
    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.
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
    2017 PARTS UNLIMITED OFFROAD