exhausts

I have a 2011 WRX hatch and looking for a cat back exhaust i was thinking Invidia or Magnaflow both around the some price...:confused: Does anyone know which one is better? Or which one sounds better?

Was on some other forums, as I am looking for a CBE for my 09 WRX. A couple of people talking getting tickets for aftermarket exhausts including the SPT. Also more than one claim of SPT exhausts leading to problems at dealerships (saying you have a modded car), even though the person says they...

Hi guys, proud owner of 09 a WRX, three quick exhaust questions: 1. I know people talk about intakes causing the engines to run lean, as a result of the MAF sensor. Do exhausts cause lean conditions? Asking in regards to an untuned car, with no other mods. 2. Seems as if no real power...