Question, Jermey tuned my 2004 gto last year and it's still working perfect. I had the flowmaster cutback with JBA's. Jermey suggested using magnaflow instead. I was wondering would I get more flow with the stock cat back over the FM. The DRONE is killing us!!! Regardless the flowmasters are history very soon.
Thanks in advance, I have plans on stopping at Keiths just to say hi!!
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