Few hobbyists will deny that from the mid-'70s forward, the Second-Gen Trans Am was Pontiac's performance leader. Its front and rear spoilers, wheel flares, and fender-mounted air extractors all ...

Your intake manifold is the heart of your engine’s breathing system, and when it’s clean, sealed, and tuned right, performance and efficiency thrive. From spotting vacuum leaks to knowing when to ...

There is no question that the DOHC 5.0L Coyote engine has taken Mustang performance to new levels, and the spotlight, but if you have a Three-Valve 4.6L, there are still a lot of performance options ...

An intake manifold leak can quietly drain your car’s power, fuel economy, and reliability. Knowing the symptoms, testing methods, and repair steps can save you costly shop bills. With the right tools ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...