Originally Posted by mattminer
13's easily tunable. You can generate a new XML based on the 12 defs and then there are just a few things that need to be modified. Assuming you are talking opensource.
Awesome! Great to hear
I would be using OS. I took a quick look over at RR and it looks like some Definitions have been created for the 13's, which makes life easier. I'm just not sure what stock ROM they put on the current WRXs, we'll see!