Choosing the right combination is critical in building an efficient engine combination. The old clich that bigger is better has been thrown around over and over, and by now, everyone knows that a big ...

While C&L's intake plenum isn't designed to be a dress-up item, its functional form looks more natural than the hard-edged stock plenum box. What the 4.6 GT engine needs is a good $100 bolt-on, and we ...