Frankly, you'd think this subject would have been exhausted by now. After all, how much "borderless education" can you absorb about such common and oft-explained engine functions as getting rid of ...

Ok, we've done header tests in the past, comparing various styles and sizes on moderate to high-powered street-style mills. In the case of the big-block Mopar, the default favorite tube size has long ...

When it comes to classic hot-rodding tricks, one of the very first things enthusiasts do is modify the exhaust for better sound and performance. The tradition started long ago, in an effort to improve ...

It’s a time-honored tradition for late-model Mustangs. Upgrading to a performance exhaust system not only improves horsepower, it also adds that Mustang-specific exhaust tone that has been so popular ...