I just put the stage 1 pump gas tune on 2 days ago and I can say its a very nice change. @
Sargy can vouch for the difference it made, he rode in mine yesterday, we have the same mods, but mine is flashed and his isn't.
I sell and install Visconti Tunes at the shop, so if you want to save the $375 on a cable, I can just flash your car using my dealer cable