hi every so i can now say i got the whole bike road legal got lights tires etc but now i need an exhaust road legal one or can i just buy one off them badges on it so its got that bsua code on it ??

plzzz some one help is the a universal exhaust that might fit and its road legal

and keeping in mind i dont really wanna touch the bike frame for the exuast to fit but i would touch the exhuast to make it fit