<center><img src="http://pictureposter.audiworld.com/47456/intake_2208.jpg"></center><p>
i don't think i have them. and what is there purpose. thanks guys

He's running his to an oil catch can to keep the oil and fumes out of the intake track. See previous posts for more info!

Is it special kind of hoses?

5526-050 series to be exact. You can find the specs on it at the link and a full technical data sheet in PDF format once there.<ul><li><a href="http://www.flexfab.com/Products/Truck-Automotive/Heater/flx5526.htm">FlexFab 5526-050</a></li></ul>