Spark Exhaust Technology Ducati Panigale V2 / 959 "Double Grid-O" Titanium Full Exhaust System (WSBK Evolution). Constructed with titanium silencers, titanium mid-pipe, and titanium racing header (ASI 304 stainless collector primary). Compatible with original fairings and race bodywork. compatible with original license plate holder. From the experience gained in WSBK, Spark offers a double exhaust underseat left and right side designed to get the maximum performance. Ultra lightweight 4.2 kg., dyno tested for maximum horsepower increase over stock, sound 104 db @ 5,500 rpm. Spark Exhausts are handcrafted in Italy. Non-Homologated Racing Version for Maximum Performance. For perfect performance, throttle response and durability, ECU remapping is recommended. *Not compatible with passenger footpegs and requires removal of radiator fan or trimming of radiator fan shroud for proper installation.