umm..i read somewhere here in the forumsthat in chicago area..mabye in suburbs ..there is a shop that gives you a tryout of the GIAC software , i lost the address....anyone knows ?
mabye different soft not GIAC but u know what im talking about...
thx for the help , i wanna try be4 i buy ...thats all.

 

I think that's APR.

 

The GIAC works great on the 2.7T. No problems and noticeable more pull in all gears - almost too much in first. But you'll need more than the chip. You should replace the throttle body boot and the diverter valves as well.