2015 Super Black ❌terra Pro-4X 6MT Limited
Join Date: Aug 2015
Location: Ottawa, ON, Canada
Wire brush and por15 or similar product if the rust is bad. Then get it oil sprayed using Krown or a similar product like Rust Cure Formula 3000. It will not rust unless you wash off the coating. In the winter don't spray the undercarriage at all, just the painted sheet metal. Re-apply each fall.
A lot of the dealer undercoats are garbage. You want an oil spray with a good product as mentioned above. It will eventually form a film once it dries. Ideally you can find a Krown rustproofing company in your area.
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