we mocked these up for a customer running a sl55 box that wanted to plumb in cold air to the boxes. he already has the aluminum snorkle tubes from tvt to connect to these so his air WILL be filtered in the engine bay thru the sl55 airbox. the picture doesnt do the setup justice as it looks very very mean in person.

these same pieces could be used on our cai setup like shown below but you would be taking a very risky chance on sucking anything in (neighborhood birds) and it would surely be a run at your own risk scenario at the track if anyone wanted.