Compression Ignition Addict
Join Date: Oct 2011
Location: Chico, California
Thanked 238 Times in 229 Posts
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k&n lets to much dust through. get the 6637 replacement filter. its a large, paper filter that flows good and has excellent filtration.
if you want more power and mileage look into a new freer flowing exhaust system and a chip from a reputable dealer.
then to monitor your truck id recommend gauges with a chip.
egt and trans temp are important to the longevity of the truck
these will get you more power and better mileage.
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99.5 f250 7.3 4x4 260k FF 160/30, PHP Hydra, S&B CAI, 4" Exhaust, RR Billet Wheel, Autometer Gauges, Transgo, Non-Ebpv Pedestal, High Flow Outlet, 08 Tow Mirrors.
Dad-2000 7.3 4x4 110k miles, Autometer Gauges, Superchips 1705, 6637, 4" Exhaust, BD Billet Wheel, TruCool Max