Installed one of these this afternoon on my Vibe. I have one on my Vios to keep the throttle body and intake/valves clean and it works well. The engine is very similar to the 1zz so it essentially did the same thing.
I cut the pcv hose about 3-4 inches after the 90ndegree bend and then re installed it flipped. This allows more clearance from the engine. I then installed the Mastercraft air compressor filter ($30) with a 1/4 to 3/8 thread to barb sized fitting.
I slid the hose onto the barbed fitting, I had to heat up the hose with a heat gun and use silicone lube to help the hose slide onto the barbs easier,
The air filter has a valve in the bottom of it that will cause a vacuum leak if you don't seal it, the easiest way for me to do this was to unscrew the valve and then put the O ring onto a 1/4 npt bolt and then screw the bolt into the hole in the plastic filter housing, don't overtighen but make it snug so the o ring creates a seal.
I also removed the filter it came with and then put steel wool about 70% of the way down into the plastic housing. This will separate the oil from the air better than the filter it came with.
I plugged in my scanner and checked fuel trims. They were perfectly equal so no vacuum leaks. Easy to do and easy to access to empty when full.