for MINARELLI vertical AC aluminium silencer with e-pass TUNING RACE – for professionals Product description May sound Asian, but this exhaust comes from Spain. YASUNI has come out with Scooter Z??, a highly crafted exhaust that can hold it??s own with the POLINI Funky??. Material: Steel / Muffler Carbon/Alu / Cone-Counter Cone / usual. E-Pass Well made, fair price, available with E-Pass. Either with carbon-polyamide or aluminum muffler. Periphery, such as cylinder and carburetor should be modified.