What are your thoughts on this".......... http://www.ebay.ca/itm/Chevy-Avalanche-96-00-05-07-09-11-Turbo-Cold-Air-Intake-Dual-Fan-Gas-Fuel-Saver-/190614328489?pt=Motors_Car_Truck_Parts_Accessories&hash=item2c617fd4a9#ht_1359wt_940
Think about it, you are not externally powering the turbine fan, rather the incoming air is turning it robbing it of flow and volume. I bet this thing also robs you of gas mileage and your wallet.