The kid who sold me the bike told me it had full aftermarket exhaust from headers back. I believed him, I did not know any better until I went to change my oil filter and found it to be pretty easy compared to what people say about having no space. I looked at a bunch of pics and it seems the headers are stock. I do not care that much, but its kind of a disappointment. The exhaust has the little HTEV motor or whatever it is also on it too.