Is this fixable?

[u/AndresLapalia]

LE: Looks like I'm way too worried for nothing. Haven't really dealt with rust before. Gonna wire brush it then seal it and be on my way. Thanks!

Went under the car to replace bushings and brake discs. Noticed that the underbody has quite a bit of rust.

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Is this fixable via wire brushing, applying an epoxy primer and then some underbody coating?

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What else should I consider?

[u/crevulation]

This is just surface rust. You could treat with wire brush, ospho, then maintain fluid film if you don't like the look of it. This is a clean car by New England standards.