The idea that Harley-Davidson engines need exhaust backpressure to produce power is one of the most persistent beliefs in the motorcycle world. Riders who bolt on straight pipes often report a loss of ...

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 ...

MILWAUKEE (June 27, 2011) Enhance the performance of a dual exhaust-equipped Touring or Trike model with Screamin' Eagle® Nightstick 2-into-2 Slip-On Mufflers (P/N 64900093 Chrome, $499.95; 64900091 ...

An curved arrow pointing right. THERMO-X is an Australian company which makes heat-reactive paint. In this video, the paint is applied to the exhaust pipes of a Harley Davidson. When the engine is ...

Tenneco Automotive has acquired most assets of Gabilan Manufacturing, Inc., a privately held company that has developed and manufactured motorcycle exhaust systems ...