Hello guy’s my name is Dyllan, I just got my first duramax yesterday and i have a few questions for you guy’s, I have a 03 Chevy 2500 duramax I got it on a trade it has slight knocking guy said it was injector #3 and #8, also needs full exhaust and a cross member in the back just trying to figure out if this truck is worth fixing any help is appreciated thank you.