Some mufflers offer a deep, hearty growl, while others will render your car as quiet as physically possible.įor these reasons, it’s vital to choose a muffler that adequately meets your needs and properly fits your vehicle – whether you need a replacement for a faulty component, or want to give your car a simple upgrade. There’s more to a muffler than initially meets the eye too: choosing a new muffler is one of the simplest modifications you can make to a vehicle and will dramatically alter the way it sounds. Designed to reduce the noise produced by the engine, they are a legal requirement for cars in most states, helping to reduce noise pollution emitted by vehicles just as their catalytic converter reduces the emission of chemical pollution.īecause of their quieting effect, driving a vehicle without a properly functioning muffler can be an unpleasant experience. Mufflers are an important part of any car’s exhaust system.