Adding a W211 E55 airbox
You need first find out what diameter pipe are you going to use then do a search for the size of bypass valve on ebay.
http://shop.ebay.com/items/?_nkw=3%2...alve&_osacat=0
http://shop.ebay.com/items/?_nkw=3%2...alve&_osacat=0

The Best of Mercedes & AMG




and take the back of the hole cover and pull toward you
the 4 clips will unclip (Can't brake these)
the 2 part will come as one
I shot gun the airbox if you sell



but the pix only shows one pipe going to the MAF and the other end with the cone filter ?
