You know, I've had mine since Jan '06 and have done little to maintain them. I usually just polish them (by hand) when I polish the car.
I've tried a variety of different metal and paint polishes but I really can't recommend one over another.
Car has been on the track several times at WSCB events and has over 25,000 miles. I've had no bluing. I think that MAY be a chromed pipe issue. I do have a very slight golden hue where the pipes come of the headers.
In mho they really out shine other finishes. Sorry, not a lot of help but I think you will be pleased with the little upkeep they require. Happy Motoring!!!
