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    • Home / Products / M4 Exhaust 2017-2026 Ninja 650/Z650 Full System
    M4 Exhaust 2017-19 Ninja 650 Full System
    M4 Exhaust 2017-19 Ninja 650 Full System
    M4 Exhaust 2017-19 Ninja 650 Full System
    M4 Exhaust KA6624 Component Key
    M4 Exhaust 2017-19 Ninja 650 Full System
    M4 Exhaust 2017-19 Ninja 650 Full System
    M4 Exhaust 2017-19 Ninja 650 Full System
    M4 Exhaust KA6624 Component Key

    M4 Exhaust

    KA6624

    M4 Exhaust 2017-2026 Ninja 650/Z650 Full System

    $ 839.00

    • Full System Carbon Fiber Canister

      • Saves 10.6 lbs Over Stock
      • +3 Horsepower
      • All Carbon Fiber Canister
      • 304 Stainless Steel Tubing
      • Stage 1 Q5 Installed (103 dB @ 5,000 RPM)
      • Q4 Stage 2 Quiet Insert Sold Separate

      Does not meet emission requirements for street or highway use.

    Because One Upgrade Is Never Enough