AKRAPOVIC Racing Line Carbon RS 660 21 Ref:S-A6R4-HAPC homologated full line system

designed to optimize power and torque from the 660 cc parallel-twin powerplant, this system meets ec/ece type approval, making it fully euro 5 compliant. with the catalytic converter located in the front part of the pre-muffler, to ensure the system fully complies with the regulation, the system has a plug-and-play installation with no remapping needed. constructed from high-quality carbon fibre, lightweight titanium, and high-grade stainless steel, the system has been created using race-proven materials. designed to emphasize the racing look of the machine, the system is 0.4 kg lighter than standard stock. testing on the akrapovič in-house dyno, in back-to-back runs of motorbikes equipped with a racing line (carbon) exhaust and standard stock exhaust system, recorded an increase of 2.4 hp at 11,200 rpm and a gain of 3.6 nm of torque at 4,550 rpm, which gives the rider a pronounced throttle response. its deep, full, and sporty sound, with its throbbing parallel-twin pulsations, offers the feeling of riding a bigger capacity motorbike, making the akrapovič racing line (carbon) for the aprilia rs 660 the ideal exhaust for this middleweight sports motorbike. specifications: - power: +1.8 kw at 11200 rpm - torque: +3.6 nm at 4550 rpm - weight: -0.4 kg