Subaru WRX Forum banner
tuner tools
1-1 of 1 Results
  1. Everyday Impreza Talk
    I was wondering if anybody else did what I did and now can't figure out what map to use. I have a 09 wrx with an after market downpipe, cat back exhaust, and a stock air box with a Hks panel filter and cold air snorkel. My question is do I use the stage 2 map or stage 2 plus? Or do I use stage...
1-1 of 1 Results
Top