Installing a larger 5.4L engine is one way to get more power out of an '05-'09 Mustang GT. The larger displacement provides more power, but without a performance intake manifold, the transplant is one ...

In the November '03 issue, we introduced you to the initial installation of a 5.4 SOHC engine into a '99 Mustang GT ("Size Matters," p. 49). If by chance you missed that article or you have short-term ...