I agree you shouldn't have to add anything to protect the paint the problem is I have a cabin in Northern Saskatchewan Canada. The highway I travel there is the gateway to the northern part of the province where there are a HUGE number of Mines, the mine supply trucks are prone to throw off rocks and it doesn't matter how good your paint is its going to get messed up, it doesn't help that the highways here are not as smooth and freshly paved as one would like. I feel its cheaper to throw some 3M film on there than to continually paint stone chips on my hood. I ended up going with the full package,
The Front part of the hood, the silver around the grill, the first little part of the fender anything that was painted on the front end basically and the painted parts of the bumper and mirrors. I also did the pillars around the windshield and the the white piece immediately above the windshield. Essentially anything that was exposed to the front was covered up, and its a new generation of the 3M film that is supposed to be more resistant and won't yellow.
This is my solution to the Western Canadian roads. If you guys are interested I will take some pics when I get a chance and show you how it looks.
Let me know
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