Alright i'm in a bind here trying to figure out which exhaust sytem to get for my '09 WRX Sedan. I think i have narrowed it down to three. All under $600... Please Let me know your thoughts on which one to get... ERZ CBE $525 +shipping ERZ 08+ Subaru WRX 4D sedan Catback Exhaust SPT CBE...

Hi guys, 09 WRX owner. Was looking at the Perrin Stage 1, and Stage 2. Stage 2 - 68 ft lbs 46 whp, Stage 1 - 54 ft lbs 38 whp. But wow the difference in cost is like $1300, for a gain of 14 ft lbs and 7 whp, worth it? I personally do not like the sound of the Perrin exhaust so probably doesn't...