Glad this thread started. I was about to order the MOPAR molded mudflaps for my truck. The latest MICHELIN tires pick up gravel and my nine year old paint is really starting to suffer just two months along. The Vortex vented pieces may be the thing. About 2/3's the price I was expecting to pay, as well ($70/four, shipped).
Between elephant-ear towing mirrors added last week (and a big convex spot to be added to each side, besides) and now the need for mudflaps I really am getting the old man RV'er look a'happenin, ha!
I've expected a mpg loss of 1% + . . but hadn't thought about heat being trapped. The hotter the day the worse the problem. There will be days where my tires load limits of 3,195-lbs/tire will be tested. And brakes exercised out close to their limits.
freebeard, close-fitting fenders on trucks only work for a limited number of types and job descriptions. Where I work we'd have to break them off once the mud jammed up everything. I'd hate to think about the build-up on the brakes, etc.
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Last edited by slowmover; 11-18-2012 at 11:02 PM..
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