Why performance air intakes might be a great, low-cost investment if you’re looking for more power. Why are aftermarket air intake systems so popular? A related question might be, why replace the ...

There is a huge selection of cold air and ram air intakes on the market - but these are among the best. A cold air intake is one of the most common modifications made to modern-day vehicles. A cold ...

We know you've been sitting on the edge of your seat since last month when we tested every true CAI (cold-air intake) we could get our hands on for the Mk4 VR6. Well, as promised, this month we tested ...

Laying out the relationships between the engine's exhaust and intake and how you can use them to your advantage There are specific functional relationships between an engine's exhaust and intake ...

Finally, Project 9-2X gets a dose of boost and bolt-on power. So far, we've taken care of interior amenities such as the stereo and electronics and also set up the suspension, wheels and tires. It's ...

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 ...