most carbonfiber bonnets are just a clear gell coat finish so they do mark easy and look old and worn, try hand polishing it a little and if that doesnt improve then maybe look into taking it to a body shop and get them to put a few coats of clear coat on it, this will give you a better base to polish, also give them the ability to flat it before clearing and give you a flatter finish as most carbon parts have a sludgy peal to them