I installed my Nicktane for insurance in filtering the fuel and catching the water, hoping to extend injector life; also changing the OEM is kind of a pain with the lift I have. The Nicktane will only take me about five minutes, although I do carry extra filters for both and two filter wrenches as well as the water sensor wrench and some diesel to fill the Nicktane. The OEM will catch the unfiltered fuel from the inside of the 1R-0749 when I fill it prior to installation. Just my $.02 worth.
The stock fuel filter is around $35+ and good for about 10K miles. It filters down to 10 microns.
The CAT filter used in the Nicktane system costs around $14 on ebay or at CAT dealers and filters down to 2 microns. Since it is installed before the stock filter, you should not have to change the stock one near as often. Add the that the fact that you are sending a lot fewer hard particles through the fuel, your injectors should last longer too.
Is it worth the money? Since I don't have any idea how long you plan on keeping your truck, or how clean the fuel is where you are located, I can't say.
I plan on keeping my truck at least 10 years and traveling all over the US and Canada, so I added one to my truck when I had less than 3K on it.
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