Spark Exhaust Kawasaki ZX-6R "Konix Evo" Full Exhaust System. Constructed with a titanium silencer with carbon cap end, catalyst eliminating stainless mid-pipe and stainless racing header. Handcrafted in Italy, Approximately 7 lbs, Dyno Tested for maximum horsepower increase over stock, 113 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.