Z400

M4 Kawasaki Ninja 400 / 500 / Z 2018–2026 Slip-On (X96 Carbon Fiber Canister) The M4 Slip-On with X96 carbon fiber canister for the Kawasaki Ninja 400, Ninja 500, and Z models delivers a perfect balance of performance, sound, and aggressive...

M4 Kawasaki Ninja 400 / 500 / Z 2018–2026 Full System (X96 Carbon Fiber Canister) The M4 Full System with X96 carbon fiber canister for the Kawasaki Ninja 400, Ninja 500, and Z models delivers a strong combination of performance, weight reduction,...