Rallispec did my 325 hp 2700 lb Impreza swap. They tuned my Apex'i Power FC on the street, and it ran great. I also had it dynoed at Pruven Performance in CT. A/F ratios were fine, so we didn't mess with Rallispecs tune. Rallispec is a great tuner, and completely trustworthy. But they don't have an AWD dyno. Pruven performance is a great tuner with AWD dyno. I had a great experience at both, so you should be fine whichever way you choose.