Compression Ignition Addict
Join Date: Oct 2011
Location: Chico, California
Thanked 251 Times in 242 Posts
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my truck was the same way when i bought it. had 4 inch straight pipe and stock downpipe.
i recently put full 4 inch exhaust and i noticed about a 50-100 degree drop in temps and about 2 more pounds of boost. also a little more top end power.
thats just my experience.
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99.5 f250 7.3 4x4 261k FF 160/30, PHP Hydra, S&B CAI, 4" TBE, Van Turbo with Turbo Blanket, RR Billet Wheel, Autometer Gauges, Transgo Tugger, Non-Ebpv Pedestal, 08 Tow Mirrors, Trucool.
Dad-2000 F250 7.3 4x4 111k Autometer Gauges, Superchips 1705 (Tow Safe), 6637, 4" TBE, BD Billet Wheel, Trucool.