RH Zolder 150D Carbon 4 Cylinder Airbox with straight entry snorkel and cowl bonded on to fit 127.5mm diameter intake pipe.
Quick release Airbox to fit ITG JC50 Compatible range Backplates Backplate NOT Supplied(available from ITG dealers only). Gasket foam available from Reverie. R01SE6161
A Technical drawing of this product can be found here
You can also fit an ITG air filter made especially for this airbox. See ITG Foam Filter.