Spark Exhaust Technology Kawasaki Ninja 400 "Konix" Titanium Full Exhaust System with Catalyst Eliminating Titanium Mid-Pipe and Titanium Header. Constructed with a titanium silencer, mid-pipe, and racing header. Handcrafted in Italy, Approximately 4 lbs, Dyno Tested for maximum horsepower increase over stock, 108 db. Non-Homologated Racing Version for Maximum Performance.