Exhaust problems have a way of sneaking up on you. You get used to a new sound gradually, or you only hear it at certain speeds, or it starts out mild enough that it’s easy to dismiss. Spring is a good time to pay attention — because what’s manageable now can become a real issue once summer heat and added highway miles enter the picture.
Here are the signs your exhaust system is trying to get your attention:
A rumbling or roaring noise that’s gotten louder over time. This is one of the most common indicators of a failing muffler or a hole somewhere in the exhaust pipe. It tends to get worse at acceleration and is hard to ignore once it progresses.
A hissing or tapping sound, especially at startup or acceleration. This often points to an exhaust manifold leak — where exhaust gases are escaping before they reach the muffler. Left unaddressed, manifold leaks can damage nearby components and allow exhaust fumes to enter the cabin.
A sulfur or rotten egg smell. This can indicate a problem with the catalytic converter, which is one of the more expensive components in the exhaust system — and one worth addressing early before it causes downstream issues.
Reduced fuel efficiency. A compromised exhaust system affects backpressure, which affects how efficiently your engine runs. If your mpg has dropped without explanation, exhaust could be part of the story.
At Stones River Auto and Exhaust in Murfreesboro, exhaust work is our specialty. If something sounds or smells off this spring, come see us and we’ll diagnose it accurately and fix it right.
