I have a 2013 Subaru Outback. Factory steel exhaust rotted out. I found a Subaru WRX dual exhaust in stainless cheap. I had the exhaust straight pipe extended 10". When on the car the tone was raspy and annoying. I am thinking of trying to put a resonator on the straight pipe to get rid of the raspy tone and excessive noise. Any recommendations to cut the sound down and raspy noise?
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