GOOD NEWS!!! I finally got around to stopping by RE and asked them about an extension for the 1660 trackbar. Apparently, they knew exactly what I was talking about and said they had one in stock, so I got it. It is labeled as 1" longer and is a whole new housing & coupler (minus the joint - reuse your old one). I also had to purchase a joint tool that they sale to be able to swap my old joint over. Anyways, I was just happy as I really wasn't wanting to have to fab one up unless I really had to. Again, I don't know if this extra inch will help all of you out, but in my case it will.
The price was pretty reasonable, under $20 for the part and another for the tool. I'm sure it probably would have cost about $100 to have one fabbed up, unless you can weld your own.
For anyone interested, the part# on the invoice is RM30210 and it is labeled as SM S/F Housing&Coupler 1" Over.
Hopefully, this will help some of you guys out that were interested in this issue.
Thanks,
Jeremy