To my eye, the OEM mufflers fitted to the U.S.-spec '86-87 VFRs are made of steel with some sort of thin coating applied to the exterior, similar to ceramic coating but resembling stainless steel.
In any case, if left to the elements, the mufflers will oxidize (rust) and this is how it begins. Fortunately, if caught in time, the pipe can be saved.
In any case, if left to the elements, the mufflers will oxidize (rust) and this is how it begins. Fortunately, if caught in time, the pipe can be saved.
Here, I'm applying Turtle Wax Chrome Polish & Rust Remover with a non-scratch kitchen scrub pad. It pays to be gentle here and let the polish do its magic, which is to help remove the surface rust spots. I apply plenty, keep it wet, and just kind of massage it around the piece for about ten minutes.
Let it dry to a haze and buff out with a soft cloth. The deeper corrosion spots will still leave a mark, but overall the metal is now very presentable. Repeat once per year to prevent further damage.
Let it dry to a haze and buff out with a soft cloth. The deeper corrosion spots will still leave a mark, but overall the metal is now very presentable. Repeat once per year to prevent further damage.
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