EXHAUST
1821-0175
T-4 SLIP-ONS
  • Developed to increase the horsepower and torque throughout the power curve
  • T-4 Slip-ons have a polished aluminum canister and stainless steel mid-pipe
  • Silencers include wire-meshed spark arrestor that can be removed for closed-course racing
  • Steel Allen-head screws make repacking an easy task
  • Can be used with OEM or Pro Circuit headers
  • FITS MODEL
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    HONDA
    CRF250R 04-05
    T -4 slip-on
    1820-0052
    $424.95
    CRF250X 04-07
    T -4 slip-on
    1820-0052
    424.95
    XR400R 96-04
    T -4 slip-on
    4H00400
    374.95
    CRF450R 04
    T -4 slip-on
    1821-0043
    424.95 SPROCKETS
    CRF450R 05
    T -4 slip-on
    1821-0175
    424.95
    CRF450X 05-08
    T -4 slip-on
    1821-0175
    424.95
    XR600R 85-87, 91-00
    T -4 slip-on
    4H85600
    374.95
    XR650L 93-17
    T -4 slip-on
    4H85600
    374.95
    XR650R 00-07
    T -4 slip-on
    4H00650S
    374.95
    KAWASAKI
    KLX650 93-99
    T -4 slip-on
    4K93650
    374.95
    KTM
    250 EXC 02-03
    T -4 slip-on
    4T00400
    374.95 BRAKES
    400 EXC/ MXC/SX 00-02
    T -4 slip-on
    4T00400
    374.95
    450 EXC/ MXC 03
    T -4 slip-on
    4T00400
    374.95
    520 EXC/ MXC/SX 00-02
    T -4 slip-on
    4T00400
    374.95
    525 EXC/ MXC/SX 03
    T -4 slip-on
    4T00400
    374.95 WHEELS &
    SUZUKI
    DR-Z400S 07-17
    T -4 slip-on
    1811-2478
    399.95
    DR-Z400SM 05-17
    T -4 slip-on
    1811-2478
    399.95
    T-4 GP SYSTEM
  • T-4 GP system features an aluminum canister and high-grade stainless steel mid-pipe
  • System offers huge horsepower gains across the rpm range
  • Rigorously track-and dyno-tested to yield peak performance
  • Extra silencer packing kit included
  • FITS MODEL
    DESCRIPTION
    P ART  #
    SUG. RETAIL
    KAWASAKI
    KX450F 06-08
    T -4 GP system
    1820-0719
    $749.95
    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