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View Full Version : Grind and Polish Intake Manifold

Compliance
12-16-2004, 02:15 PM
Im looking to get a grind and polish done on my intake. my question is how much gain in performance am i going to see? and has anyone done it and think it worth it?
ryanman
12-16-2004, 02:47 PM
Yuo mean port and polish? What kind of car? What motor?