
Your exhaust system is a complicated part of your vehicle. It is made up of an exhaust manifold, oxygen sensor, catalytic converter, hangers, exhaust joints and a muffler. The main purpose of the exhaust system is to direct fumes away from the vehicle. The muffler helps keep your vehicle quiet. A series of small explosions take place inside of the exhaust system, which is why the vehicle would be noisy without a muffler.
Decreased fuel efficiency is a sign of an exhaust problem. If the fumes are not carried away from your vehicle, then your engine will operate at a…