If some testing is good, then more testing must be better, so we contacted as many coldair, high-flow intake manufacturers as we could to take our testing to the next level. The test mule, once again, ...

Q: This is in regard to the Nov. '01 and Feb. '02 "4xForum" topic Restricted Sixes. The reader asked about a restrictor cone in the air intake tube of 4.0 inline-sixes found in many Jeeps. I was ...

Car enthusiasts are always on the hunt for something new that will improve the ride in their vehicle. From the track to local city streets, a car that's reliable and equally fun to drive is a major ...

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 ...

It’s in a place like Moab, Utah where the open-air experience offered by the Jeep Wrangler makes a lot of sense. The red rocks loom overhead, snow-capped mountains peer over the horizon and vegetation ...

One of the first modifications many enthusiasts make to their ride is adding a cold-air intake. This replaces the stock intake, a complex, convoluted contraption of pipes and baffles that keep the ...

A K&N cold-air intake can be worth adding to your vehicle, and it may provide moderate horsepower gains if you install it ...

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 ...