There are already SS lines for the Titan/Armada available. You can get them from Greg Vogel at Mossy Performance. I will be installing the first set on my Titan this weekend. These are made by Crown and are each tested to 4000psi and are DOT approved. They are teflon wrapped in Kevlar then Stainless steel and then finally a shrink wrap.
The writeup on the SS lines is viewable here
http://www.nissanperformancemagazine.com
I have Crown lines on one of my cars and they are quality pieces. If you are wondering why there are 6 lines in the picture that is because there are 6 rubber brake lines on the VDC equipped Titans. Titans w/o VDC still have 5 rubber lines. Quality has SS lines for VDC and Non VDC Titans and many other vehicles.
Contact infor for Greg Vogel is:
Mossy Nissan
3535 College Blvd.
Oceanside, CA 92056
www.mossyperformance.com
gregv@mossy.com
Tel: 866-556-6779