One area of engine science that shows positive returns is the exhaust system, particularly from the cylinder head to the muffler. It's been proven over and over again that headers add big power, so ...

Your car sounds the way it does because of a staggering number of factors, but some cars have one particular standout attribute that contributes so heavily to the sound, it's indispensable. In this ...

If there's one thing most car enthusiasts associate with Subarus, it's that unique burbly sound their boxer engines produce. It's a sound unlike any other boxer, with Porsches and classic Volkswagens ...

Having run our header test in the last issue on the normally aspirated version of the GT1000 motor, we were anxious to retest the motor with some boost. You will remember that the 5.4L GT1000 was ...