Fairly easy DIY, only took an hour or two. I would highly recommend it, even for beginners. It's been 6500 miles since I replaced them and they still look perfect.

 

I went to Pep Boys and bought 10 ft. of 7/64 in. I.D. rubber hose (the smallest they have) for my atw engine. I liked how all the connections were a tight fit and didn't need any clamps or zip ties. I eliminated my cel in the process which made me pretty happy at the time.

 

Nice!

Prior to this mod all of my vac hoses were badly corroded and some were even split completely open.

 

It actually took me a while to figure out that the line connected to my egr valve was all corroded and had a big hole in it. Since it's all hidden back there, I never noticed it. The stock vacuum lines seem to not last very long. The code I had delt with secondary air injection and I was worried that the air pump was bad. Luckily, it was an easy fix.