Hi guys, found this cheap air cleaner kit on ebay. Thinkin about grabbin one for the Iron. Any thoughts? Should cheap make me wary?

http://www.ebay.com.au/itm/High-Performance-Air-Cleaner-Harley-Sportster-XL-/140550421619?pt=Motorcycles_Parts_Accessories&hash=item20b9753c73

There is an install vid lower on the page which shows the kit in more detail. I would adapt the breather hose to an external mini breather.

Cheers.