Has anyone used the new Billet fuel filter cap thats from Geno"s Garage I just wanted how do they like it over plastic cap ?does it hold the fuel filter better? and is there any trouble getting it off in the cold weather? being that the fuel filter housing on these trucks is metal also I would like to hear what any one has to say about it before I spend the money to find out it not worth it thanks Matt 2004. 5 RAM 3500 QC Silver Dually 4X4 Laramie