Exhaust -PRO PORTING- Piaggio Boxer 1 and 2, Ø=22mm

Exhaust -PRO PORTING- for Piaggio Boxer 1 and 2

With its 22mm manifold diameter and its design similar to the Gianelli
OriPower, the Left Number exhaust is the exhaust system that is mounted on the left side of the vehicle like the original
.
Even cylinders with a 46mm diameter pose no major
problem for the Linke Nummer.