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I have a MBRP cat back, could that be the problem?
Are you sure its not a turbo back? Mine is a turbo back and the bigger pipe going down the back of the motor was rubbing the firewall and making a racket. I had to shove the firewall back to get it away from the downpipe. When I would turn in some instances would cause the racket.
Well I would just take it to the dealer then and let them find it. Those guys that work on them every day could tell you exactly what is wrong and where to find it! "i hope atleast"
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