The Spark 2008-2016 Yamaha Titanium R6 GP Full Exhaust System features a 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, 113 db. For perfect performance, throttle response and durability, ECU remapping is recommended.