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I've considered swapping back to the stock exhaust. Unfortunately the pipe was cut up to make another one. I know it wouldn't cost a lot to have a new one made but I feel that the money would be better spent on mods that have a greater impact on fuel economy. Has anyone quantified the % decrease in FE as it relates to exhaust ID? I think the stock was 2 1/4 inches so it's only 1/4 of a inch larger right now.
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