The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...

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 ...

Cummins engines have earned a bit of a cult following over the decades — and for good reason. In the U.S., they're the iron workhorses found in everything from pickup trucks to massive semis, and they ...