Quote:
Originally Posted by whatmaycome14
I don't think that any choice would have a significant effect on mpgs...
maybe sound, but not fuel milage.
I'd go with the cheaper of them.
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That's a little surprising, but I guess it depends on the car. Mine did increase over stock. It was modest, but as the little 4 cylinder breaths a much better. The effects may bigger on a smaller engine. I went with TRD, which in my case was actually Borla exhaust.