![Racing Exhaust YASUNI Scooter Z aluminium silencer with e-pass TUNING RACE - for professionals | SIP-Scootershop Racing Exhaust YASUNI Scooter Z aluminium silencer with e-pass TUNING RACE - for professionals | SIP-Scootershop](https://images.sip-scootershop.com/en/dc471c51-fd76-4033-9d64-863d187afcb1/600x600/racing-exhaust-yasuni-scooter-z_YA901AL.jpg)
Racing Exhaust YASUNI Scooter Z aluminium silencer with e-pass TUNING RACE - for professionals | SIP-Scootershop
![Did some mods yesterday. Derestricted and installed a Yasuni Z pipe, upjetted the main jet to a 90, and changed the roller weights to a lighter 6g. Tested on 93 octane and Did some mods yesterday. Derestricted and installed a Yasuni Z pipe, upjetted the main jet to a 90, and changed the roller weights to a lighter 6g. Tested on 93 octane and](https://i.redd.it/zjxr3hml5tz21.jpg)
Did some mods yesterday. Derestricted and installed a Yasuni Z pipe, upjetted the main jet to a 90, and changed the roller weights to a lighter 6g. Tested on 93 octane and
![Exhaust YASUNI Z Aluminum Minarelli horizontal - Exhausts - EasyParts.com - Order scooter parts, moped parts and accessories Exhaust YASUNI Z Aluminum Minarelli horizontal - Exhausts - EasyParts.com - Order scooter parts, moped parts and accessories](https://cdn-pics.easyparts.nl/partpics/0145TUB901_zoom.jpg)