When most aftermarket exhaust manufacturers are dedicated to the sportbike range, SuperTrapp Industries comes with not one, not two, but ten new slip-on options for the 20099 Harley-Davidson Tri Glide ...

We've previously discussed header design; what about post-collector extensions? Most commonly seen on motorcycles and other small motors that are inherently peaky, a megaphone-shaped collector ...

This story was originally published on cycleworld.com. Few elements have as large an impact on a motorcycle’s design as the exhaust system. From header to exit, the gently curving shapes help define ...