03 7.3 EXT. cab 4x4 Powered by No Limit Diesel Performance, Trucks By Buck. DIY Tymar, IDMed, 5" Hypermax 3.5"DP, Autometer gauges, DP Tuner 6 pos. stock/40/80/100/140/High Idle, heater plug delete, BTS Valve Body a must for those of you who cant afford a BTS tranny yet, WW, and the Zoodad MOD.