just wondering what tbe is the quietest(aka not cop bait!! and sticker bait!!.)
But still free flowing! have an 07 sti. had 04 wrx with 3inch tbe and had sticker on it. Went over pits and the system was to low to loud. lots of problems so not to keen on one at the moment , but if i can get one that proven to aid performance and relativley quiet will buy!
regards!!

get oval muffler instead of cannon

Straight through resonator on the mid pipe combined with a good quality oval or twin tip rear muffler.

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RS Liberty - Because WRX's are only good for parts...