I apologize if this has been asked before, but are there any differences between the 2.5 in my 2005 Legacy GT Ltd Wagon and the 2.5 in the STi? Is it a fuel mapping issue or some similar programming issue where Subaru de-tuned the GT's?
I've had the car since July 2004 and I love it. No one thinks a Subaru wagon is going to be as quick as this thing is. As always, I would love a little more power. I've already got a K&N air filter (probably good for .5 hp!).
I did a search on the site but couldn't really find anything.
Thanks in advance for your help.