What is one of these?!

[Gaygle]

http://img458.imageshack.us/img458/1109/dsc001316yg.jpg

http://img458.imageshack.us/img458/445/dsc001320de.jpg

http://img458.imageshack.us/img458/2534/dsc001337gv.jpg

http://img458.imageshack.us/img458/6010/dsc001347ar.jpg

It seems to just sit on the air filter and is just a hollow box by the looks of it?!

Any ideas? BTW the car is a Ford Ka.

Changed to links. Images too big. FF.

 

[Gaygle]

ahhh lol, i read your post to that guy about his focus and i wanted to see if i had one! Does it matter if its on or not?

 

[Gaygle]

http://img460.imageshack.us/img460/...nk it must be before the air is filtered ^^^^

 

[Gaygle]

Hi, i took the resonator off and omg! . It sounded SO much better.