Yamaha YZ450F Muffler

Browse 8 muffler matched to the 2001–2026 Yamaha YZ450F by fitment data.

Looking for something else for this bike? See all Yamaha YZ450F parts. Not sure your model year is covered? Use the vehicle search or contact us before ordering and we will confirm fitment.
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  • FMF Racing Yamaha YZ450F 23-25 AL Factory 4.1 RCT w/ R. Carbon Cap Comp Sys w/SS MB Header/Mid Pipe
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    FMF Racing Yamaha YZ450F 23-25 AL Factory 4.1 RCT w/ R. Carbon Cap Comp Sys w/SS MB Header/Mid Pipe

    FMF Racing Yamaha YZ450F 23-25 AL Factory 4.1 RCT w/ R. Carbon Cap Comp Sys w/SS MB Header/Mid Pipe
    $1,074.99
  • FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Hex Q4 S/A Muffler

    FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Hex Q4 S/A Muffler

    FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Hex Q4 S/A Muffler
    $499.99
  • FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler

    FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler

    FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler
    $449.99
  • FMF Racing Yamaha YZ450F 10-13 Powercore 4 Hex Muffler

    FMF Racing Yamaha YZ450F 10-13 Powercore 4 Hex Muffler

    FMF Racing Yamaha YZ450F 10-13 Powercore 4 Hex Muffler
    $449.99
  • FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler

    FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler

    FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler
    $499.99
  • FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Powercore 4 Muffler

    FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Powercore 4 Muffler

    FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Powercore 4 Muffler
    $449.99
  • FMF Racing Yamaha YZ450F 07-09/WR450F 07-15 SS Powerbomb Header

    FMF Racing Yamaha YZ450F 07-09/WR450F 07-15 SS Powerbomb Header

    FMF Racing Yamaha YZ450F 07-09/WR450F 07-15 SS Powerbomb Header
    $249.99
  • FMF Racing Yamaha YZ450F 03-05/WR450F 03-06 Q4 S/A Muffler

    FMF Racing Yamaha YZ450F 03-05/WR450F 03-06 Q4 S/A Muffler

    FMF Racing Yamaha YZ450F 03-05/WR450F 03-06 Q4 S/A Muffler
    $499.99