So, I bought my wife a 2008 Tahoe LT - 2WD. Bless her heart, she wants it lifted with 35 inch tires underneath. My interesting problem, after speaking to a few tech/installers, is if I go with a 6" lift, I need to have the driveshaft extended to prevent it from leaking. Has anyone heard of this? I was planning on going with the pro-comp lift and even called them. They were unaware of this issue. However, they said one of their employees just installed this lift on their 08 2wd and noticed that it started to leak when parked in his driveway or on a slant/hill. I don't know about you, but that worries me. Anyone care to share their thoughts on this?