NCY High Performance Exhaust (Horizontal) for 50cc 2-Stroke Yamaha Scooters COMPATIBILITY: Aprilia – Amico 50 2T, SR Mod. 1993 50 2T MBK – Booster 50 2T, Stunt 50 2T Yamaha – Zuma 50 2T Upgrade from the stock exhaust pipe on your 2T Yamaha Zuma 50 with this performance exhaust from NCY. The mild expansion chamber makes for the perfect power band for urban road warriors. As always, we recommend upjetting your carb. Our 38mm 45?? air filter will also compliment this nicely. This product is intended for off-road use only. Not legal for use in California on pollution controlled vehicles. Check local laws before installing. **