What does everyone use for under carriage detailing? Looking for some shine there as well.
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I use Meguiar's Super Degreaser. I spray the undercarriage with it, let it set, and then pressure wash. I hit the bad areas with a brush. For some shine, you could try some CD2 engine cleaner.
I just paint mine every few months, in between times, pressure wash it off after spraying it down with Simple Green. 95% (at least) of the undercarriage has been painted, SEVERAL times now. The picture below was after the last trip to the Badlands, quick wash before going to the Jeep Plant for a tour.
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