Trying to figure out what the heck I may have done, or if this is just remarkably poor timing. I'm still discovering the various things that the previous owner of my 2006 JDM STi A-Line did (or didn't do), and it feels like the lottery. One minute I'm noticing that the front strut...
I have a Impreza WRX STI 2003 ej207 2.0
Car have 22.000 kilometers.
Because I dont want to open the engine internals for more power, I want the best safe option to push the engine to the limit for more hp.
330 to 350 I believe is enough for enjoy the car if possible to reach...