Has a few upgrades like the injectors, air intake, 3 piece manifold and oversize stainless exhaust with exhaust brake, but have all factory parts to SELL you if you choose to. Has pro comp tires 285's on factory rims sitting on upgraded springs looking good with about 75% tread. If you run it down the interstate at 75-80 it will track perfectly straight. Motor got the power, has factory dana rears with new synthetic fliuds, 355 limited slip rears, this truck is a perfect combo for 25 mpg's or towing or just fun, you will love it more than your money trust me on that,please email me at [email protected]