A: it is the evolution of the Z, with more volume and a wider cone. It works very well with 50cc or 70cc cylinders, but where it shows its true effectiveness is with 70cc Sport cylinders. For superb performance we recommend also changing the variator. It comes equipped with a very good quality aluminum silencer. Muffler available in natural aluminum or Carbon-Kevlar. With e5 and e9 approval certificate.
Exhaust pipe finish Steel
Approval Not approved in Switzerland