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I have done all the mods except for the blank duct part. I actually removed it. It would lose the power for a split second when shifting from 3rd to 4th gear. Removed the duct blank GTE part and the problem was solved. 🤷🏻

There is a drainage in the airbox. Its still hard to get water in your airbox though.

My best guess on that hole being open is to: 1. allow the engine to breathe better at idle when stationary (ie, ensuring there is enough air). 2. Any water splashed in goes straight through in to the engine bay. 3) to increase air temp in to the engine at idle, thus reducing NOX emissions. But that's just a guess.

@@Nick_G7IZR I'd call #1 mass production. The same intake has been placed on the GTI and R. Right behind the duct on the left side, thats where the intake manifold is located, which is made from plastic. So its probaly to also cool the intake manifold. In the case of #2, if alot of water will get into the engine bay, it can only evaporate. There is no gap or whatever to get rid of the water, as far as I remember. You are almost correct with #3. By holding the hole to the engine open, you raise the IAT (intake air temperature). Higher IAT is better for emissions, but bad for performance. I have done all the mods, except the airbox - turbo pipe. My oil temp is only a bit higher on the motorway when I drive 120kmh or faster. Its about 6°C higher than without the hole blocked, no big deal basicaly.

It won’t make a big enough difference to engine bay temps to cause a problem You have to remember these have a incredibly efficient cooling system. And there is more than enough alternative air intake to cool engine/ bay.

@@joshuaconroy5917 I figured, but the oil temp is like 5 to 6C higher at 70mph or faster. The other day I was driving on the motorway with 65mph. The oil temp was at 96C. Without the duct blocking part, it would of been max 92C with the current weather conditions. I also logged the IAT. It was about 30% lower. Thats what the small difference makes I'd say.

I dont know about the elbow, check darkside developments online shop I guess, but the pipercross filter wont make a difference. Its a waste of money if you arent going to do insane tuning.

@@ThenameisOskar Do we know what size the elbow is? cheers.

Found it. /products/turbo-to-airbox-tip-silicone-for-mk7-platform-2-0-tdi-1.html Place the website of darkside developments in front of it, or search for it in their webshop.

Have you done all the intake mods? Any noticable difference? I just opened the closed part, that made a small difference.

The stock air intake with this slight mod shown in the video can take upto 400 hp easily !