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Message: <blockquote data-quote="r3dn3ck" data-source="post: 1521672" data-attributes="member: 9214">I'm not sure if this is a normal thing with Magnaflow's CARB legal (and otherwise) catted X pipes. When I put it on it seemed almost a little more tame than I was looking for. Very street friendly level of sound. Over the last 2 weeks it's gotten progressively louder to where it now sounds like it's on bare headers. Yes, I crawled under to see if someone stole my cats and they're still there. I don't see any sign of exhaust leakage, no codes or visible outgassing or ripply air where there should not be so I'm doubtful that one of the cats has pooped the bed. None of the welds appears fragged, all the bolt-together joints are looking good.Anyone ever have this kind of thing with Magnaflow cats? I leave for work in the mornings when it's still dark and I don't come back until it's dark again so I know I'm pissing the neighbors right the hell off at the moment. Would really like to figure out if I need to just take it to the shop so they can eat $1000 from me or if I need to call MFlow and if I did call them, if they'd give two squirts of cold hippie piss or not.There's only about 5k miles on the thing since I had it installed back in October/November time frame.</blockquote>