Spark Exhaust Technology Yamaha MT-09 / FZ-09 "Grid-O" Titanium Full Exhaust System (2014-2020). Constructed with a titanium silencer, titanium mid-pipe, and titanium racing header. Handcrafted in Italy. Ultra lightweight approximately 2.4kg. Dyno Tested for maximum horsepower increase over stock, 110 db @ 5,000rpm). Non-Homologated Racing Version for Maximum Performance. For perfect performance, throttle response and durability, ECU remapping is recommended.