for DERBI Hunter/Atlantis/Paddock AC/LC aluminium silencer with e-pass TUNING RACE – for professionals Product description Big brother takes over where the little one leaves off. A smidgeon bigger and powerful, the Scooter R??. Material: steel / Muffler Polyamide / Alu/Cone-Counter Cone / usual. E-pass Spring bearing holder, bigger manifold diameter, a good compliment for 70cc Sport and Midrace cylinders. Available either with carbon-polyamide or aluminum muffler. Periphery, such as cylinder and carburetor should be modified.