Air Dog is owned by the Father, and was the original, the FASS is owned by the son.
Both are great pumps. I went with the Air Dog 150/150. You can't beat 530 bucks for the pump w/ filters, planty of 1/2 inch line to plumb even a LB EC, and full wiring. Not to mention detailed adn easy to understand directions and some of the best customer support i have ever done business with.
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99 EC LB DRW 4x4 5spd 4'' MBRP Cool Duals TurboBack W/ Custom Muffler Delete/Adrenaline/40HP Injectors/ATS 3 Piece Manifold/BHAF w/ Heat Sheild/Airdog 150/285-75-16 E-Rated BFG All Terrains ALL AROUND
