ho visto che cè un 'street legal' e l'altro no.
Ma ci sono 12€ di differenza. Piu caro il street Legal
"This kind of muffler is made as a racing one with two little differences: a special glass fiber damping wool and a db killer silencer; riders who want to use it on track can remove the db killer just unscrewing a little bolt."
Not Available entrambi due cui :
http://www.carpimoto.it/EN/Bike_Apri...HP2-Enduro.htm