Besides a catalytic converter what helps a car with emissions?



  1. 0 Votes

    The exhaust control valve also helps with emissions as does the muffler, but these mainly serve to reduce noise levels. Because the converter works best at high temperatures, The pollution reducing work of the catalytic converter can be aided by a heater placed in its vicinity. Without the additional heater, the converter basically does no work in the period just after the car is started.

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