The new tank requires the elimination of the stock airbox bike South Garage replaced with intake ducts attached directly to each throttle body. 2-into-1 stainless steel exhaust features Kelevra about 70 individual, hand-welded components. Designed and built by Fabrizio metalsmith workshop, two headers road snakes around the engine before merging Monsters on reverse megaphone muffler. To manage the airflow changes from this modification bike South Garage mapped ECU to "optimize strength". With the numbers output 113 bhp (83.4kW) of the S4R 996cc, the 90 ° twin springs capable Kelevra 10.8 sec quarter mile runs.
quote by motorcyclespecs . South Garage Design