The Performer is a good stock replacement intake it fits and looks like stock but saves alot of weight. It is good up to 5500 RPM where the RPM is good from 1500 to 6500. The RPM is also taller but if you are planing more performance upgrades I would go with the RPM.
Don't underestimate the previous comment on the exhaust, what comes in has to go out, so headers and a good dual exhaust are a must. Your stock 289 will have a hard time using all that fuel and will give you that all familiar black smoke when you get on it.
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69 393W Sportsroof deluxe
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