FUEL/AIR SYSTEMS
YAMAHA YZF AIRBOX KIT
FOR YAMAHA YZ250F 14-18,
YZ450F 14-17,
WR250F 15-18, WR450F 16-18
  • In cooperation with several Yamaha teams and riders Twin Air has
  • developed a new Airbox Kit for the Yamaha YZ250F/ 450F
    1011-3895
  • Kit creates more open space within the airbox to optimize the airflow into the engine
  • The bigger airbox then allows for a bigger Air Filter on the Twin Air Powerflow Kit
  • Kit includes a Big Air Filter, black Airbox Lid, aluminum cage and sealing ring, air filter bolt,
  • DESCRIPTION
    P ART  #
    SUG. RETAIL
    spacer and mounting hardware
    Airbox kit BIG
    1011-3895
    $314.95
  • Easy to install following the instruction guide
  • Repl. filter
    1011-3896
    37.95
    1011-4038
    1011-3626
    1011-1655
    1011-3877
    POWERFLOW KITS
    2-STROKE/4-STROKE KITS
  • 2-stroke kits include a Twin Air filter and a rigid, lightweight, billet aluminum cage that replaces the flimsy plastic stock cage and provides a tight
  • seal to the airbox
  • 4-stroke kit replaces the air-restricting stock backfire screen with a special backfire-resistant layer of foam laminated to the inside
  • Includes a rigid, lightweight billet aluminum cage
  • Airbox kits include a complete airbox that increases the volume of the intake, wash plug, cage and all mounting hardware
  • FITS MODEL
    DESCRIPTION
    PART #
    SUG. RETAIL
    FITS MODEL
    DESCRIPTION
    PART #
    SUG. RETAIL
    HONDA
    KTM (CONT)
    CR125R/ 250R 02-07
    Backfire repl. filter
    150198
    $30.95
    125 SX 11-15
    Backfire repl. filter
    1011-2308
    $30.95
    CRF250R 04-05
    PowerFlow kit
    150210C
    149.95
    144 SX 07-10
    Backfire repl. filter
    1011-1320
    30.95
    Pre-oiled repl. filter w/ inner
    144 SX 11-15
    Backfire repl. filter
    1011-2308
    30.95
    sealing ring
    1011-0572
    38.95
    150 SX 09-10
    Backfire repl. filter
    1011-1320
    30.95
    CRF250R 06-09
    Backfire repl. filter
    1011-0646
    37.95
    150 SX/XC 11-15
    Backfire repl. filter
    1011-2308
    30.95
    CRF250R 10-13
    Backfire repl. filter
    1011-1655
    37.95
    200 2-stroke 04-07
    Backfire repl. filter
    1011-1320
    30.95
    CRF250R 14-17
    PowerFlow kit
    1011-2945
    30.95
    200 EXC/XC-W 12-15
    Backfire repl. filter
    1011-2308
    30.95
    Backfire repl. filter
    1011-2947
    37.95
    250 2-strokes 04-07
    Backfire repl. filter
    154210
    30.95 BRAKES
    CRF250R 18
    Backfire repl. filter
    1011-3876
    37.95
    250 EXC 2-strokes 12-15
    Backfire repl. filter
    1011-2308
    30.95
    CRF250X 04-18
    PowerFlow kit
    150210C
    149.95
    250 EXC-F 4-strokes 12-15 Backfire repl. filter
    1011-2304
    37.95
    Pre-oiled repl. filter w/ inner
    250 SX 07-10
    Backfire repl. filter
    1011-1320
    30.95
    sealing ring
    1011-0572
    38.95
    250 SX 2-strokes 11-16
    Backfire repl. filter
    1011-2308
    30.95
    CRF450R 03-08
    PowerFlow kit
    150210C
    149.95
    250 SX-F/ SXS-F 11-12
    Backfire repl. filter
    1011-2304
    37.95
    Backfire repl. filter
    1011-2042
    37.95
    250 SX-F 16-18, SX-F FE 15 PowerFlow kit
    1011-3341
    149.95
    Pre-oiled repl. filter w/ inner
    Backfire repl. filter
    1011-3342
    37.95
    sealing ring
    1011-0572
    38.95
    250 XC 08-10
    Backfire repl. filter
    1011-1320
    30.95
    CRF450R 09-12
    Backfire repl. filter
    1011-1655
    37.95
    250 XC-F/ XCF-W 12-15
    Backfire repl. filter
    1011-2304
    37.95
    CRF450R 13-16
    Backfire repl. filter
    1011-2947
    37.95
    250 XC-F 16
    PowerFlow kit
    1011-3341
    149.95
    CRF450R/RX 17-18
    PowerFlow kit
    1011-3877
    159.95
    Backfire repl. filter
    1011-3342
    37.95
    Backfire repl. filter
    1011-3876
    37.95
    300 2-strokes 04-07
    Backfire repl. filter
    154210
    30.95
    CRF450X 05-16
    Pre-oiled repl. filter w/
    300 XC/XC-W 08-10
    Backfire repl. filter
    1011-1320
    30.95
    inner sealing ring
    1011-0572
    38.95
    350 SX-F/ EXC-F/XC-F/
    HUSQVARNA
    XCF-W 11-15
    Backfire repl. filter
    1011-2304
    37.95
    TC 85 18
    PowerFlow kit
    1011-4014
    149.95
    350 SX-F/XF-F 16-18
    PowerFlow kit
    1011-3341
    149.95
    FC250/ 350/ 450 16-17
    PowerFlow kit
    1011-3341
    149.95
    Backfire repl. filter
    1011-3342
    37.95
    Backfire repl. filter
    1011-3342
    37.95
    350 XCF-W/ EXC-F 16
    Backfire repl. filter
    1011-2304
    37.95
    FE/ FX350 17-18
    PowerFlow kit
    1011-3341
    149.95
    450 SX-F/ SXS-F/ EXC/ SMR/
    Backfire repl. filter
    1011-3342
    37.95
    XC-W 11-15
    Backfire repl. filter
    1011-2304
    37.95
    FE/FX 450 17-18
    PowerFlow kit
    1011-3341
    149.95
    450 SX-F/XC-F 16,
    PowerFlow kit
    1011-3341
    149.95
    Backfire repl. filter
    1011-3342
    37.95
    SX-F FE 15
    Backfire repl. filter
    1011-3342
    37.95
    FE 501 17-18
    PowerFlow kit
    1011-3962
    149.95
    450 XC-W 16
    Backfire repl. filter
    1011-2304
    37.95
    Backfire repl. filter
    1011-3961
    37.95
    500 EXC/XC-W (4-stroke),
    Pre-oiled repl. filter
    1011-3339
    33.95
    EXC-F 12-16
    Backfire repl. filter
    1011-2304
    37.95
    KAWASAKI
    500 EXC-F 17-18
    PowerFlow kit
    1011-3962
    149.95
    KX250F 06-16
    Backfire repl. filter
    1011-0650
    37.95
    SUZUKI
    KX250F 17-18
    PowerFlow kit
    1011-3626
    169.95
    RM125 04-08/ RM250 03-12 Backfire repl. filter
    153215
    30.95
    Backfire repl. filter
    1011-3625
    37.95
    RMZ250 07-18
    Backfire repl. filter
    1011-0427
    37.95
    KX450F 06-15
    Backfire repl. filter
    1011-0650
    37.95
    DRZ400 03-06
    Backfire repl. filter
    1011-0233
    37.95
    KX450F 16-18
    PowerFlow kit
    1011-3626
    169.95
    RMZ450 05-17
    Backfire repl. filter
    1011-0427
    37.95
    Backfire repl. filter
    1011-3625
    37.95
    RMZ450 18
    PowerFlow kit
    1011-3989
    149.95
    KTM
    Backfire repl. filter
    1011-3985
    37.95
    85SX/XC 05-12
    Backfire repl. filter
    154210
    30.95
    YAMAHA
    85SX/XC 13-17
    Backfire repl. filter
    1011-2950
    30.95
    YZ125/ 250 97-18
    Backfire repl. filter
    22633
    30.95
    85SX 18
    PowerFlow kit
    1011-4014
    149.95
    YZ250F 03-13 (all)
    Backfire repl. filter
    152313
    37.95
    105SX/XC 04-10
    Backfire repl. filter
    154210
    30.95
    YZ450F 03-09 (all)
    Backfire repl. filter
    152313
    37.95
    125 98-03 (all)
    Backfire repl. filter
    154210
    30.95
    YZ450F 10-13
    Backfire repl. filter
    1011-2048
    37.95
    125 2-stroke 04-06
    Backfire repl. filter
    154210
    30.95
    YX450F 18
    PowerFlow kit
    1011-4038
    259.95
    125 EXC 08-11
    Backfire repl. filter
    1011-1320
    30.95
    Backfire repl. filter
    1011-4037
    37.95
    125 EXC 12-15
    Backfire repl. filter
    1011-2308
    30.95
    125 SX 07-10
    Backfire repl. filter
    1011-1320
    30.95
    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