Puch Proma Circuit Exhaust classic Cable choke is convenient once

Cable choke is convenient once set up

One of the best exhausts for Vespa mopeds

Fantic Mini moped with the popular Minarelli V1KS engine

The racing version includes auxiliary exhaust ports and increase port timing

Puch Proma Circuit Exhaust classic Cable choke is convenient onceProma Circuit exhaust for Puch mopeds. This is for flat port cylinders. One of our personal favorites. These are great on stock engines but really shine with a cylinder kit. They are loud though! These mount so easily and clear everything. Watch that baffle though. They're notorious for slipping off on a long ride. We like to put a small weld to hold it on.