air intake

Hi, I have been looking throught the form and I noticed a lot of talk about stage two and I am unsure what that means (newbie). I used to be big into bikes, but now wanted to get into cars. For Sweetiest day I picked up myself a new 2011 wrx. It came with the SPT catback exhaust and short throw...

does anyone know if the perrin radiator shroud fits with the stock airbox on a 2011 WRX?

I just got myself a 2002 wrx wagon and it is complete bone stock. Im looking to go a little faster then it is now but I'm not really sure where to start. What do I do first? Sincerely, I like to go fast :)

I recently bought a standard WRX new from the dealership. After the initial break in period where I kept the revs below 4k for the most part I've started to open up the engine. It certainly seems fast but in brisk acceleration it seems to hesitate slightly above 4K rpm especially in second gear...

I tried looking for a thread to answer my question but I couldnt find one, so sorry if I missed it. I was thinking about purchasing a cold air intake for my 07 wrx limited. I was told that as far as hp gains it wont really make a difference, however I was looking for more to have the sound of...

so ive had my cobb accessport v2 on my 02 wrx now for a bit and loviin it all. i was runnin it with a hks carbon fiber tbe and a uup pipe goddspeed radiator and a exedy stage 1 clutch. alot of people told me to leave my stock air box cause of my living in the high desert but also people been...

Hi, I have a 2010 Subaru Impreza WRX hatchback that is totally stock. I was wondering what the best, cheapest engine mod is. My options right now are either an exhaust or air intake. If possible can someone tell me how much horsepower I would get out of those. Also, is a Short throw shifter...