I don't have any experience with Mac longtubes but have put on a set of hookers w/AOD Just need some patience but not that bad. I know its a competitors site but check out http://reviews.stangnet.com/ and go to exhaust there is a bunch of reviews on different headers, Don't know if Mac longs are there though. Besides Hooker, Hedman and Flowtech make lower priced headers. Bassani makes some high dollar pieces but they are sweet. You will usually lose a little torque below 2500-3000 but above you will really notice a difference.
Bill
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Bill Heiser
90 Convertable 5.0 LX, ported E7s w/ THumper valve job, TFS street, FR 65mm TB, B cam w/1.7 cobra rockers, kirban AFPR, Mac CAI, Mac Headers, off road h, 3 chamber flows, Crane ign. box, 3:73s, Art Carr AOD & 2600 converter
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