How old is the box, are you the original owner.
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1998.5 2500 Ext cab, 2wd, 5-speed,3.54 gears, AFE Stage 2, 4" turbo back,DDP 150 stixs, Smarty Revo,TST PMCE, F1 Springs, Helix 2, ARP Studs, all gauges, BD auxiliary fuel pump , Turbo Re-Source custom GT3788R, SB DD.
Coaltrain Diesel Performance 419-392-1678