Polini Race 3 High Performance Exhaust for 50cc 2-Stroke Air-Cooled or Liquid-Cooled Minarelli Based Scooters COMPATIBILITY: Aprilia – Rally 50 2T, Sonic 50 2T, SR mod. ’94-96, SR WWW 50 2T Benelli – 491 RR 50 2T, 491 Sport Racing 50 2T, K2 50 2T, Naked 50 2T Beta – Ark Air 50 2T BSV – AX 50 2T, JX-GZ 50 2T CPI – Hussar 50 2T ’02-03, Popcorn 50 2T ’02-03 KTM – K 50 2T Malaguti – F10 50 2T, F12 Phantom 50 2T ’00, F15 Firefox 50 2T MBK – Forte 50 2T, Ovetto 50 2T Motron – Sting 50 2T, Syncro 50 2T, Thunder 50 2T Yamaha – Axis 50 2T, Jog R 50 2T, Jog-Jog Z, Neo’s 50 2T, Vino 50 2T This Polini Race 3 high performance exhaust will push your scooter to the limits. This is only used on the 2-stroke engine so please make sure it is compatible with your scooter before placing the order. **