exhaust Tecnigas Silent Pro for Derbi 13642

High-torque exhaust in a subtle design. Provides considerably more top speed. Good For those who need a new exhaust and want more power, but do not want to ride with a small and particularly sporty sounding exhaust on their scooter. Very good torque curve and excellent performance on 50cc and 70cc Sports cylinder. This Tecnigas Silent Pro exhaust system fits on Derbi scooter with engine.