Originally Posted By: ClubNeon
I actually came across the word plenum in my automotive world first. There's a spacer between the intake funnel, and the throttle body. That's referred to as a plenum.


Yep. I blew up the plenum (known as upper intake in the Mustang world) with nitrous about 8 or so years back... Was fun times :D. I actually had it on video at one point but I don't know where it is now.