Spark Exhaust Kawasaki ZX-10R "Konix" Titanium Full Exhaust System 65MM (WSBK Evolution) (2021+). Constructed with a titanium silencer, catalyst eliminating titanium mid-pipe and titanium racing header. Handcrafted in Italy, Approximately 4.2kg, Dyno Tested for maximum horsepower increase over stock, 107 db. Non-Homologated Racing Version for Maximum Performance. For perfect performance, throttle response and durability, ECU remapping is recommended. *Does not include removable DB Killer.