[HiFlow5 0]

I'd go and get rid of that junk stock driveshaft and get a nice aluminum one. What are you running for gears? I just had 3.73's installed and there was a whole lot more vibration in the driveshaft area cause the driveshaft is spinning more then with stock gears, especially at higher rpms and highway driving. Go with an aluminum driveshaft and you'll be happy, I was!