Has anybody out ther have a long range fuel tank fitted to their Nav D22. I have researched a few such as Long Range Automotive 120l @ $990 plus fitting,4WD systems 145l @$1090 plus fitting and Brown Davis 125l @ $1044 plus fitting. Prices and capacities are approxamite. Just wondering if anybody has one, what type,capacity,price, Km range and if they can be DIY installation, thank-you.