There are two main types of structures used in catalytic converters: honeycomb and ceramic beads. Most cars today use a honeycomb structure. The third stage of conversion is a control system that ...

Under extreme heat, precious metals in a honeycomb structure catalyze the chemical reactions; they make today’s vehicles dramatically cleaner than older vehicles. Catalytic converters can be ...

Catalytic converter cleaners are a type of fuel additive developed to remove buildup from the honeycomb filters inside the cat. They're designed to be poured into the fuel tank. Then, as you run ...