The 3.5L EcoBoost engine has been around long enough that there are several performance upgrades owners can choose from. Here ...

But as a stand-alone add-on, a cold-air intake system is probably not going to show much, if any, of a performance ...

A DIY cold-air intake can significantly reduce intake restriction, boosting engine performance and throttle ... car and have a good look at the intake system. Where does the airbox get outside ...