There's just something undeniably thrilling about the sound of a well-tuned diesel engine exhaust. Among all the ways you can upgrade your diesel truck, the exhaust modifications are what give your ...

For budding car enthusiasts, it's a badge of honor to correctly identify the number of cylinders in an engine just by its exhaust note. The number of cylinders plays a vital role in how an engine ...

What separates a Porsche flat-six from a Toyota Avalon V-6—aside from the bank angle, the power output, the engine location, and your interest in owning one? At full throttle, the Porsche belts out an ...