I have a 02 5sp WXR wagon and Ive been reading the forum here for awhile and Im thinking about modding my WRX (just a little). Reason is, I find the WRX really sluggish on hot days when the AC is on (until the trubo spools), so Id love something that could get me into the power earlier. Now the problem is im totally ignorant as to what may be a good start. I hear a ton of people say that an MBC is a good way to get started, but Im not sure if that has to be done in addition to something else if I want to avoid damaging my engine. If an MBC is installed by itself, and the boost is cranked up, will that damage the engine? Im not sure so if anyone has some good advice about a not too expensive and SAFE way to enhance my cars performance, I would really appreciate it. Also, Ive heard that adding any mods voids the warranty...is that true? Or is it just true if a defect can be traced back to the mod? Thanks Guys!