Well, I have one for my 04 WRX, but you have to take my results with a grain of salt... I'm kinda beyond what Cobb would recommend for Stage 2. I drove to Atlanta this past weekend and noted approximately 25mpg no matter which map I used. Also, EGT was no different, if that matters to anybody. My ported turbo wants to spool so much that wastegate pressure or not makes no difference, it will run barely in vacuum at 80mph. One stretch of about 150 miles I did run 33mpg but it was mostly "downhill" the entire way.


I love the switchability of the AP, and would like to get a higher octane map made for auto-x. I'm even considering getting a UTEC instead. I have no idea where I want to go in terms of future ECU upgrades.

My analysis? If you want inexpensive power off the shelf, or don't have exhaust work done yet and still want upgradability without having to retune, the AP will work wonderfully. If you want your ECU to take full advantage of your particular engine, go with the Ecutek.