At one time the most obvious component on many "hopped up" cars and trucks was a hood scoop. The reasons given for using them included the ram air effect, a cooler air source, or they just looked ...

It's been proven that a cold-air intake system adds power, but, if you're building a system for scratch, how large does it need to be? Years ago, I talked with old-time Mopar Super Stock racer John ...

Most Chevy truck enthusiasts know that improving the flow of air into the engine and reducing backpressure are sure ways to make some power. But believe it or not, this process is not as simple as it ...

My 2012 Mark 6 Volkswagen gti has a NueSpeed Cold Air Intake system on it with a K&N Air Filter. It helps deliver more air for the turbocharged 2.0 liter which I have tuned to Stage 1+ using a Cobb ...

Cold Air Intakes (CAIs) are among the most popular modifications enthusiasts make to their cars. Of course, like anything popular, there’s a fair bit of discourse surrounding them. Claims range from ...