Smart Car of America Forum banner


  1. smart General Discussion
    The inside of the catalytic converter is made of ceramic material. How to clean it without damaging it?
  2. smart General Discussion
    Hey guys! I am so thrilled to talk about this after talking with Boris on facebook on their Smart Madness page. Not much has been released about this product, but I think this is the way to go if you want a set of headers but don't want to loose the cat for emissions reasons and violation...