I am thinking about scrubbing everything underneath my truck and then applying a coat of rubberized undercoating. The truck is only 7 months old but all the salt they use in the Chicagoland area kills the undercarriages! Mine is already starting to rust. My 4 month old brushguard is showing signs of rust too! I am thinking about having the brushguard coated with Line-X or Rhino-Liner. Can anyone recommend a good brand of do-it-yourself undercoating? I was even thinking about using that Herculiner stuff but I would think it would be easier to spray stuff on. Tell me what ya think!

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2000 Extended Cab F-150
4X4 Offroad
Flairside Oxford White
AirRaid FIPK
2001 L Tails
2001 L 3rd Brake Light
2001 L Corners
Pioneer DEH8000, 12 Disc Changer, Custom Amp Rack, Rockford Fosgate Punch 160, Rockford Fosgate 10" SUB. Keyless entry on Drivers door. Brushguard, 2 160 Watt K.C.'s, Duraliner Bed Liner.