Quote:
Originally Posted by mcoupematt
Any hp or mpg increases with x-pipe? Any change in sound? Where did you buy yours from
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There is no resonator so it should be less restrictive. I don't know if it give any HP. If so, I would say it's less than 5hp. It's louder than the OEM X-pipe. It was on my car when I bought it in febuary 2012.