The combination of race-proven, lightweight materials, exceptional manufacturing quality, perfect design, amazing sound, and top performance makes this exhaust system a must-have for demanding riders who only want the best. With a carbon silencer housing and end cap, a link pipe, and the internal structure of the silencer made of titanium, as well as a header and collector made from a high-quality titanium alloy, the complete system is 44% lighter than the stock system. This system has been developed for use on closed racetracks and requires mandatory reprogramming and the removal of the passenger footpegs. It delivers a power and torque increase of 4.0 kW (5.4 hp) at 13,000 rpm and 3.8 Nm at 7,700 rpm, measured in direct comparison with an Aprilia RSV4 with a stock system on the in-house dynamometer. This race-developed system provides a distinctive deep, sporty sound that perfectly highlights the Akrapovič character.THIS PRODUCT DOES NOT MEET THE EMISSION STANDARDS REQUIRED FOR ROAD USE.

The optional silencer bracket made of aluminum is intended for use with the exhaust systems S-A6R2-HAPC - Racing Line (Carbon) and S-A6R1-APLC - Racing Line (Carbon) with the passenger footrests removed.

This system has been developed to optimize the performance and torque of the 660 cc parallel-twin engine. It features EC/ECE type approval and meets Euro 5 standards. The catalyst is located in the front part of the pre-silencer to ensure that the system fully complies with regulations. The system is plug-and-play capable and does not require any reprogramming. Made from high-quality carbon and stainless steel, as well as lightweight titanium, the system has been developed using race-proven materials. It is designed to highlight the racing look of the machine and is 0.4 kg lighter than the stock system. Tests on Akrapovič's in-house dynamometer showed an increase in power of 2.4 hp at 11,200 rpm and a torque increase of 3.6 Nm at 4,550 rpm when comparing motorcycles with a Racing Line (Carbon) system to a stock exhaust system, providing the rider with improved throttle response. The deep, full, and sporty sound, along with the pulsation of the parallel twin, creates the sensation of riding a motorcycle with a larger displacement, making the Akrapovič Racing Line (Carbon) the ideal exhaust system for the Aprilia RS 660, a mid-weight sport motorcycle.

The Racing Line represents a significant step in tuning an exhaust system and offers an excellent balance between price and optimal performance. Racing performance exhaust systems are designed for riders who expect maximum power from their motorcycle. The systems are lighter than the stock exhausts and impress with outstanding quality as well as increased engine performance combined with pure racing sound. A combination of racing materials such as carbon for the muffler casing gives these exhaust systems a special racing touch.THIS PRODUCT DOES NOT MEET THE EMISSION STANDARDS REQUIRED FOR ROAD USE.

Slip-ons are the first step in tuning an exhaust system, and they offer an excellent price-performance ratio. The sporty and lightweight Slip-On Line exhaust systems fit perfectly with this great Aprilia. Installation is easy. Stylishly shaped carbon mufflers and end caps also provide a visual change. The design effects speak for themselves, and the power output is improved. Additionally, the slip-ons enhance the Aprilia sound. Make your bike something special – with more power, beautiful design, and the unique Akrapovic sound of the slip-ons.To secure the installation, the passenger footpeg is required. If you wish to install the slip-on system without the passenger footpeg, please order an additional carbon bracket.When the slip-on is installed, it is necessary to adjust the motorcycle's ECU. For this, please visit: http://www.powercommander.com/powercommander.Note: If you are installing the slip-on system for the model year 2019, check if the engine control light comes on.THIS PRODUCT DOES NOT MEET THE EMISSION STANDARDS REQUIRED FOR ROAD USE.

Slip-Ons are the first step in tuning an exhaust system. The system is easy to install and replaces a stock muffler. It also offers the best value for money.The Akrapovic Slip-On System means for you: more power, more torque, and less weight. With the Akrapovic Slip-On System, your scooter gets that distinctive deep and rich Akrapovic sound, and the visual appearance changes dramatically as well. Each product features the finest Akrapovic end caps made of carbon.

This lightweight titanium link pipe with resonator has been designed for use on closed racetracks and reduces the static noise level to 100 dB at 5,500 RPM when installed with the muffler and header of the Evolution Line (Carbon) exhaust system. The product, designed for track day use, complements the Evolution Line (Carbon) exhaust system without compromising power and torque increases, and requires mandatory remapping during installation. With a weight reduction of 3.0 kg – 37.2% lighter than the stock system when combined with the muffler and header of the Evolution Line (Carbon) system – and a fantastic sporty sound, this is an option for all serious track day enthusiasts and racers alike.Static noise level of the Evolution Line (Carbon) system with the Track Day link pipe (titanium): 100.4 dB at 5,500 RPMStatic noise level of the Evolution Line (Carbon) system: 103.2 dB at 5,500 RPMStatic noise level of the Evolution Line (Carbon) system without noise insert: 105.5 dB at 5,500 RPMTHIS PRODUCT DOES NOT MEET EMISSION STANDARDS FOR ROAD USE.