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Exhaust ADVICE !! CAT BACK OR AXLE BACK

18K views 27 replies 14 participants last post by  ProZach626  
I just got my 2022 WRX a few days a go, and am thinking about a swap for a little extra noise (mainly quality noise- not too much).
This seems like a good option to me. Anyone tried one of these?
On the fa20 the 5” muffler is a little louder than stock. I have the 4” muffler and think the 5” would have been perfect for me.