The Genuine VW / Audi Catalytic Converter Kit - 178105 is a comprehensive kit of products designed to service and maintain the catalytic converter of a Volkswagen or Audi car. The kit includes 10 different items, each carefully selected to ensure proper functioning and longevity of the catalytic converter. These items include various gaskets, seals, and hardware, as well as a catalytic converter cleaner and a protective coating. The kit is compatible with a wide range of VW and Audi models and is an essential tool for keeping the catalytic converter in top condition.