dhansen46ExplorerMay 30, 2013cold air intake and computer chipsHas anyone purchased a air intake system or a computer chip to get better gas mileage and if so which one and did it help. I have a class c motorhome 1998 Ford E450 Super duty with v10
carringbExplorerMay 30, 2013They won't help with gas mileage. On some motors, they can help with power but usually not until you free up the exhaust first.