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mark houghton mark houghton is offline
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Join Date: Jul 2008
Location: Central Washington State
Posts: 3,776
I use Mahl 54 filters. They boost my HP about 15%. Each time I change to a new filter, I have to feather the throttle to keep my tires from shredding.

Well, maybe that's a bit of a stretch. Actually, I bought a case of them some time ago for about $6.00 apiece. Figured it was a good deal.
Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, stock everything else. The result of a massive Pelicanite good will fire recovery effort. Truely an open book, ready for the slippery slopes to modification.
Old 03-19-2010, 08:36 PM
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