Originally Posted by Pedro

As Jen has said, all monster exhausts are polishable - it's just that the grade of stainless steel is pretty poor and discolours quickly. If yours are very badly discoloured, you may want to send them for professional polishing - it took a week for me to do my 900 pipes with a drill based polishing set. The Sil Moto system on my 1000 took no time, my old man has a really good polishing wheel on his lathe and it took my about 45 minutes to do the lot!