Just prior to this story, our resident '67 Mustang had received a set of full-length headers. While headers helped the engine make power, they also increased underhood temperatures considerably. Those ...

All of the cold-air kits we tested made more power than our baseline, so there's really no bad choice when it comes to this modification. Introducing cold intake air into the engine not only makes ...

While many air-intake systems are available for the popular 4.0L-equipped Jeep Wrangler, none offers the unique design of the Spectre Performance intake system. The Spectre kit offers an ...

An aftermarket cold air intake can improve engine performance when paired up with other modifications, and considering the price and relatively easy installation, it’s often the first under hood ...

(Editor's note: We're trying something new here by offering a few quick-install stories that could help your pickup with better performance, fuel economy, style, or all of the above. And they can be ...