Akrapovic SLIP-ON is a partial system and represents a first-level exhaust system tuning component. It provides a performance and sound improvement for Aprilia. The system is designed for riders who are looking for a combination of performance, quality, simple installation and affordability. Please note that SLIP-ON is available as homologated version
    
Performance

Measurements of the Akrapovic SLIP-ON system on the APRILIA SPORTCITY 250ie (with noise damper):

Power & Torque: The power curve with Akrapovic exhaust system is much more linear, from bottom to top of the power curve. Max. power of 17 HP is reached at 7850 rpm. The torque curve reflects the same compatibility with the operation of the engine. The enormous increase can be seen throughout the entire rpm range, so you get bags of torque to go along with the increase of power. Biggest power gain of 0.7 HP is at 4150 rpm.