Next to the suspension, the exhaust system of your gasoline-fueled four-cycle truck engine is perhaps the most misunderstood bolt-on performance combination on the market. The basic concept of ...

The smoother the transition from high exhaust pressure within a header's primary pipe to atmospheric pressure at the end of the pipe, the longer the reflected pressure wave's duration—and that makes ...

We had several different options for the exhaust system and headers on our 1963 Nova project car. We looked into everything from mild, shorty header/chambered muffler combinations, to ultra-loud ...

A catalytic converter is an integral part of a car’s overall exhaust system. However, while they are normally something a car owner would never think about, thefts of catalytic converters spiked to ...

Equipped with two powerful Merlin V-12s, the de Havilland Mosquito wings its way across the skies … Wait a minute, one, two, three, four, five … If the Mosquito has V-12s, why are there only five ...