Ford Mustang Forum - View Single Post - Exhuast and tune qustion
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post #4 of (permalink) Old 11-30-2012
Grimace427's Avatar
Posts: n/a
jw = Just wondering?

No hp gain from the Boss sidepipes as far as I know. 6-8hp isn't going to be noticeable and would be within the margin of error on a dyno, especially a supercharged car.

Also, if you are serious about running the canned Vortech tune just know that a lot of people say that and end up getting a custom tune because of driveability they felt was lacking.
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