Anyone have any experience with ATP Automotive intake manifolds? ATP Automotive Graywerks 106010 Intake Manifold
It looks like the gaskets are integrated into the manifold itself. For the limited use my truck gets OEM is a bit spendy so i'm looking at alternatives. The engine is a 2004 5.4

 

The only one I know who did that job was 1975stroppebaja. He went with the OEM unit over the Dorman model because of mixed reviews on the Dorman. I've never seen the ATP model, but it looks like it carries a lifetime warranty. What is the price?

Here is his writeup for reference:
2004 F250 Intake Manifold Replacement

 

About 200 Canadian Pesos, vs 550 ish for OEM. I've seen mixed reviews about the Dorman as well. Lifetime waranty is nice, I just don't want to have to do the work again if it's no good.