The intake manifold on your Toyota VVTi engine is represented by those plastic tubes that reunite at some point in a large tube right behind the radiator. Their function is to allow filtered air to ...

If you've ever dabbled in auto repair or engine tinkering, you may understand just how frustrating a broken bolt can be. It's already difficult to remove old bolts from an engine, thanks to things ...

Installing a high-perf intake and 4-barrel carb is more difficult than some other bolt-ons, but the power gains are well worth the trouble. Glenn Sands' installation of an Induction Specialists ...

Aftermarket intake manifolds like those made by Edelbrock Corp. (411 Coral Circle, El Segundo, CA 90245, 213/322-7310) are engineered to make the engine run more efficiently, due to more uniform ...

If you're considering switching to a K&N cold-air intake, there are some things to consider first. Here's what to know about these mods and if they're worth it.