Join Date: Mar 2014
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No you don't need tunes , But it sure will help.
Call Jody at DP Tuners and talk , they will guide you in the right direction
2003 F250 4X4 CC 7.3, 4R100HD
4' Turbo back exhaust, Banks Power Elbow, LPG (Gas over Diesel), DP Tuner F6, RR 6637 intake, RiffRaff Frx, Hpx, filter, Custom made transmission cooler with twin thermo fans, water to oil cooler, ScanGuage 2, Auto Meter, trans, EGT, Fuel pressure, Water to oil temp, Boost, Longrange fuel tank, 15000 Lbs winch, ARB winch bar, ARB lockers Fr & Rr, lightforce spot lights, HID's.