I felt an overall improvement in both shifting and in engine performance. In the "middle" setting, which is at a 91 octane, I have found that anywhere from 88-91 seems to work fine. The Airaid intake system comes with all necessary parts. Someone asked me if I had tried the "performance" 93 octane setting, but I have been running the "middle" for over 40k and I am very satisfied with it on that setting, so I have not changed it and don't plan to. for one thing, out here in the west, it's hard to find 93 octane, so I just left it like it was. For a total of $600 for both the intake and programmer, I believe it's worth every penny.
I found the best prices for both items here:
Concours Direct: Your Wholesale Source for Diablo Predator Programmers, Bully Dog, MAC, Isspro Gauges, Klasse Wax, Microfiber, Clay Magic,
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2002 F-350 SRW Lariat,4X4, PSD with too many goodies to list. 182k and a very strong 7.3. SOLD
2008 F-250, SC Lariat, 4X4,Shortbed, Pueblo Gold/black, V-10, 4.10, auto, Delivered on 9/7/07, great looking rig. South Texas bumpers front/rear, Air Raid Intake System, Diablosport Predator, Magnaflow, Husky's, JJ's, Ford alarm/remote start, Marathon seat covers, Sirius, PIAA, Access cover, Weatherguard tool box, Rhino liner, Michelins, Duraflap mud flaps, Escort 9500i, MagHytec rear dif cover.
2007 Lincoln LT (wifer's grocery getter),Superchip,Magnaflow duels, K&N dropin, Leer Browning Special
1996 Ford Bronco EB; almost stock
2007 Kubota 900 RTV diesel with goodies.
pappy's truck
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