Not long ago, American bike maker Harley-Davidson reinvented its offering in a segment it likes to call sport with the release of the new Sportster and later the accompanying Nightster. Both these ...

Like cars, new motorcycles leave the factory with emissions-control equipment that radically reduce the volume of various pollutants released through their exhaust. Those emission-control systems are ...

With a tunable sound, good looks and a reduction in backpressure, the two-into-one SuperTrapp system has many advantages over a split exhaust. It's also easy to install. Any Harley owner worth his or ...

Whether you're looking to change the look, sound, or performance of your motorcycle (by reducing weight or improving flow), there are several options when it comes to aftermarket exhaust systems. A ...