I'm using the husky liners inside and just installed the Duraflaps on all four corners. I went with the drilless and was a bit disapointed that I had to drill extra holes. Only two on each flap lined up, and had to add three holes on the rear ones, being a dually. But I like how they look, and they hang down a lot more than the huskys I had on the front. My rear fenders are ate up with rock chips with the poor coverage of the huskys. I also went withe wider flaps for when I go up on the tire size soon. They are extremely stiff as well, which is good or bad depending on what you will normally be doing with your truck. I don't normally go off road, but I'm working out in Colorado this year, and just can't help myself to go out and explore this awsome country side, and have noticed that the sage brush sounds pretty harsh on them, especially when backing up, but it didn't seem to hurt them any, so I guess time will tell. They do look awesome though!!
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'07.5, 6.7L 3500HD 4x4 Megacab Dually, 6 Speed Auto, Line-X Spray-in Bedliner, Muffler MIA w/5" Stainless Tip
