EXHAUST
1820-1414
1820-1412
1820-1503
1820-1417
1820-1687
1820-1687
EVOLUTION LINE
  • Flared or conical link pipe is made of titanium and welded to the muffler
  • Hexagonal mufflers feature a composite plastic outlet cap to match the design of each
  • bike; BN mufflers use a titanium end cap
  • Conical shaped header tube is made of titanium
  • Ceramic anti-seizing grease is used to prevent seizing, corrosion and excessive wear of parts of the exhaust system made of titanium (due to
  • vibration and extreme temperatures)
  • Carbon-fiber heat shield included, if called for in the design
  • Yamaha YZ450F muffler has an additional chamber for better torque and throttle response with less sound
  • EVOLUTION LINE WITH BN MUFFLER
    FITS MODEL
    HEADER/ MUFFLER TYPE
    P ART  #
    SUG. RETAIL
    FITS MODEL
    HEADER/ MUFFLER TYPE
    P ART  #
    SUG. RETAIL
    KAWASAKI
    YAMAHA (CONT)
    Titanium/ titanium
    1820-1412 1
    $1,238.95
    YZ250F 14-18, YZ250FX 15-17
    Titanium/ titanium
    1820-1739
    $1,307.95
    KX250F 17-18
    Titanium/ titanium
    1820-1737
    1,238.95
    WR250F 15-16
    Titanium/ titanium
    1820-1503
    1,238.95
    KX450F 16-18
    Titanium/ titanium
    1820-1668
    1,237.95
    WR250F 15-17
    Titanium/ titanium
    1820-1739
    1,307.95
    SUZUKI
    YZ450F 10-13
    Titanium/ titanium
    1820-1417 1
    833.95
    Titanium/ titanium
    1820-1414 1
    1,238.95
    YZ450F 14-17
    Titanium/ titanium
    1820-1505
    1,238.95
    Titanium/ titanium
    1820-1415 1
    1,238.95
    YZ450F 18
    Titanium/ titanium
    1820-1806
    1,307.95
    YAMAHA
    WR450F 16-17
    Titanium/ titanium
    1820-1505
    1,238.95
    YZ250F 10-13
    Titanium/ titanium
    1820-1416 1
    833.95
    1 With spark arrestor.
    YZ250F 14-16, YZ250FX 15-16
    Titanium/ titanium
    1820-1503
    1,238.95
    EVOLUTION LINE WITH HEXAGONAL MUFFLERS
    FITS MODEL
    HEADER/ MUFFLER TYPE
    P ART  #
    SUG. RETAIL
    HONDA
    Titanium/ titanium (dual mufflers)
    1820-1501
    $1,325.95
    Titanium/ titanium (dual mufflers)
    1820-1687 1
    1,325.95
    CRF450R 15-16
    Titanium/ titanium (dual mufflers)
    1820-1576
    1,325.95
    CRF450R 17-18
    Titanium/ titanium (dual mufflers)
    1820-1764
    1,547.95
    1 For closed course competition use only. Not intended for street use.
    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.
    2018 PARTS UNLIMITED OFFROAD