Trident Emergency Products’ AirMax Intake Relief Valve is an air-operated, remote-controlled intake relief valve design with panel control adjustment from 50 to 300 PSI. Competitive remote-controlled ...

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 ...

Last month we showed what gains were available from three aftermarket Three-Valve intake manifolds in naturally aspirated trim. This month we're going to try the same three intakes, only now we'll see ...