My sound changed a little, it got a little louder, but it was good. no change in gas mileage. It will set a cat inefficiency code unless you get it tuned out.
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03-27-2011
My sound changed a little, it got a little louder, but it was good. no change in gas mileage. It will set a cat inefficiency code unless you get it tuned out.
______________________SMGPFC #99_______________________
03-28-2011
This except I don't see why he would throw a cat code....Originally Posted by JoRoW99
03-28-2011
Before even with the HFC's the PCM thinks there isn't a converter because they flow so well
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