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catalytic converter

  1. Exhaust And Headers
    I know the Arrow headers have been reviewed but does anyone know anything about the Black Widow and/or PR2 headers? The Black Widow is close to the same price as the Arrow but the PR2 is much cheaper. Black Widow is from UK and PR2 is from Thailand which kind of explains the cost...
  2. Exhaust And Headers
    Can somebody confirm if removing catalytic converter in the exhaust on the 300 is a problem? I want to get a better sounding slip on for my bike, but i am reading conflicting advice, some say you need to re-tune if you change the exhaust, some say no mention about it at all, and some say it...
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