There is one on ebay right now for $125 shipped. Has a couple broken clips on bottom though. If I decide to sell mine (one month old, immaculate) I'll check back and see if you're still looking.
Using the nGauge, I just installed 5 Stars 91 daily/tow tune. Haven't logged enough miles to see the difference in gas mileage, but what I can say is that it is a blast to drive. Substantial difference in low end torque, throttle response and shifting. Disabled auto start stop (ASS) and rpm's...
Just installed a 5 Star 91 daily/tow tune...
Wow. Immediate difference in low end torque, throttle response and shifting.
Still need to kill a couple of tanks to see actual gas mileage, but it will be fun doing so.
I have the 87 daily/tow and a 93 performance that I can load, but so far the 91...