The exhaust system and catalytic converter are integral components of a vehicle's overall performance, directly influencing both the engine's efficiency and the environment. These parts not only help in ensuring that a vehicle runs smoothly, but they also play a crucial role in reducing harmful emissions and improving fuel efficiency. In this article, we will explore the functions, importance, and maintenance of exhaust systems and catalytic converters , key auto spare parts that every vehicle owner should understand. Detailed view of an exhaust system under a car, showing exhaust manifold, pipes, muffler, and oxygen sensors, alongside a close-up of a catalytic converter with visible honeycomb structure 1. Exhaust System The exhaust system is a network of pipes and components that work together to guide exhaust gases away from the engine and out of the vehicle. A well-functioning exhaust system ensures that a vehicle runs efficiently, is quieter, and meets environmental stan...