Polini Sport Exhaust for 125cc – 150cc 2-Stroke Genuine Stella and Vespa Scooters COMPATIBILITY: Genuine – Stella 125 2T, Stella 150 2T Vespa – PX Series (VLX, VNX, VSX) Polini Sport Exhaust for Vespa PX, Genuine Stella and LML Star 2-Stroke Scooters. Suitable for use with stock or 177cc cylinders and features a silver aluminum silencer and Polini’s renowned top build quality and performance! The right-hand exit design this exhaust pipe allows the use of larger tire sizes, a spare wheel and also the main stand. Carburetor jetting and ignition timing should be checked and/or altered. **NOTE: Does not fit Stella 4T. **