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    • Home / Products / M4 Exhaust 2014-2020 Yamaha FZ-09/MT-09, XSR900 2016-2021 Full System
    M4 Exhaust 2014-18 FZ-09/MT-09 Full System
    M4 Exhaust 2014-18 FZ-09/MT-09 Full System
    M4 Exhaust 2014-18 FZ-09/MT-09 Full System
    M4 Exhaust YA6922 Component Key
    M4 Exhaust FZ-09/MT-09/XSR900 FS
    M4 Exhaust 2014-18 FZ-09/MT-09 Full System
    M4 Exhaust 2014-18 FZ-09/MT-09 Full System
    M4 Exhaust 2014-18 FZ-09/MT-09 Full System
    M4 Exhaust YA6922 Component Key
    M4 Exhaust FZ-09/MT-09/XSR900 FS

    M4 Exhaust

    YA6922

    M4 Exhaust 2014-2020 Yamaha FZ-09/MT-09, XSR900 2016-2021 Full System

    $ 899.00

    • All Black Full System Featuring The RM1 Style Canister

      • 2014-2020 Yamaha FZ-09/MT-09
      • 2016-2021 Yamaha XSR900
      • Saves 10lbs Over Stock
      • Produces 8 Horsepower Over Stock System
      • Stock- 89db @ 5500rpm, M4- 105db @ 5500rpm
      • M4 Suggests Reflashing The Stock ECU or a Fuel Controller to Maximize Power Output
      • 304 Stainless Steel Tubing With High Temp Ceramic Coating
      • Q7 Quiet Insert Available but Sold Separate, M4- 100db @ 5500rpm With Insert

      Does not meet emission requirements for street or highway use.

    Because One Upgrade Is Never Enough