Does anyone have the actual, rear wheel hp gains from: airraid, fipk, chip, exaust, etc. They advertise alot but i don't know anyone whose actually dyno'd to figure out what the actual hp is.

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1999 4.2l 2wd super cab F-150. Mods: 3in body lift, 285/75 R16 BFG AT, 3.55 gears, snuglid tonuea cover (white) 10 disk changer Tow package 6000 Lbs GVWR