I'd recommend it! ... Sure, it's a pain to access, and sure, I waited until I was doing a big ol' TPS/vacuum hose project but I was shocked to find:
http://i.imgur.com/EcAaVXT.jpg
I thought it felt a little sluggish up hills lately. How many HP do you think that plastic piece was costing me? New filter, new TPS = much smoother running, happy van! :clap: