I run a 99 Pstroke crew cab dually with the following: K&N airfilter, superchips module & 4" downpipe. Runs extremely well and mileage is no concern....If you really want it to go add another turbo, inject propane and a 5" exhaust. Oh yeah, change your automatic transmission fluid to AMSOIL snythetic.........
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...1996 SALEEN s281 vert & 1998 Cobra vert
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