Originally posted by 99Mystique ATX:
Originally posted by Stazi:
Seems like they get close to 190-200hp (wheels) and then start tapering off big time.



So a 2.25" exhaust (if done right) should be plenty for my very lightly modded (non-svt) Duratec?


Correct. 2.25" mandrel piping has more then enough flow ability to support most 2.5L engines without restriction.

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If you have to choose between two exhaust sizes that are "close" to ideal you are better off going with the smaller size. Velocity beats volume.

2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.