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Registered
Join Date: Jul 2008
Location: Central Washington State
Posts: 4,435
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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.
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Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, B&B intercooler, stock 3LDZ.
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