I won't use ceramic spray on surfaces you haven't cleaned properly (ie by removing the whole shooting match), not to mention now you introduce heat variances.. and probably will void the emission warranty (since the tail pipe is part of the system).
It is surface rust that comes with every season.. take the car away for a few days.. scrub it down with some scotch brite on day 1 (or better use a 3000+psi pressure washer).. wait a few days.. said it was hard work.. and wait for your friend to give you some special TLC?
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Originally Posted by dmak4
Yeah I told her that it's such a little amount of rust it doesn't need attention. But seemed like she was worried so might as well. Time to go to crappytire for some ceramic spray paint and sand paper.
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