You will find that a change of the exhaust system can transform a wimpy sounding motorcycle into sounding like a fire breathing monster. That's probably why its the most popular mod when customizing your motorcycle.
Upgrading the exhaust
An exhaust that flows better will reduce the work the engine must perform when it expels exhaust gases. When coupled with an air filter and fuel tuner, horsepower improvements can be quite noticeable. Witchdoctors offers a complete line of filters, camshafts , fuel tuners and all the necessary parts to help you get the HP gains you are looking for.