If you’re getting your 70 or 79 Series ready for dusty tracks, creek crossings...

https://garrettwigp625.tearosediner.net/are-heated-power-fold-towing-mirrors-worth-it-if-you-tow-in-winter

If you’re getting your 70 or 79 Series ready for dusty tracks, creek crossings and towing heavy loads, a snorkel and towing mirrors are a smart place to start