What is this?

[Yiannis197]

I was drilling into my fuse box this evening and I was trying to figure out what this bad boy is.

My shout would be the 'bit' that controls the trumpet of the OEM airbox, I've ditched that ages ago for the K-tec one so am I right to think that I can totally disconnect and remove it?

DSC_8377 by YiannisR27, on Flickr

 

[Legend@wheels]

This was connecting between the acoustic valve to the manifold-air box.

 

[Foxspeed]

its the vacuum control solenoid for the second inlet