just got a bike that has lrd pipes on it but no mid pipes or silencers, looking to see what i can possibly do..... im thinking im gunna have to fab up my own. would stock work or should i get aftermarket ones and hack them up? as for motor mods idk whats done to it i got it for $500 so i dont think alot. he said "new top and bottom end" but idk, k&n's and pipes are the only mods i know of.