hey blackbeauty, to get the blue off your pipes try this gord's I had the same problem with my america,I found this product in a bike rillei the guy put it on the pipes and the blue came off right in front of me,the web is
www.gordsaluminumpolish.com or the address pobox 453,gregory,tx.78359 I do not work for this people so I,m not trying to sell you the product. hope it works for you
