Exhaust issues can lead to a decrease in power, acceleration, and fuel economy. They’ll often sound bad but their outcomes can be even worse. Be sure to have your exhaust serviced regularly to avoid potential problems.

What sounds does a bad exhaust make?

If your vehicle is hissing, it could mean there is a crack in the exhaust pipe, manifold, or a leaking gasket.

If your vehicle is chugging, it could mean a blockage in the exhaust system.

If your vehicle is rattling, your exhaust might have become misaligned.

What problems can a bad exhaust cause?

You wouldn’t be the first person to ignore exhaust issues. If you do, the result might not be catastrophic but will likely build over time. You’ll probably experience decrease in power, acceleration, and fuel economy.

Outside of mechanical issues, you may also be at risk of health issues. Your exhaust is designed in such a way that your emissions exit away from the cab. However, if there’s a leak somewhere in the system, emissions may end up seeping into your passenger compartment. This is a huge health concern, as exhaust fumes are a known carcinogen. If you are experiencing symptoms such as headaches, migraines, or nausea while operating your heavy-duty commercial vehicle, we highly recommend you cease all operation of said vehicle and speak to your general practitioner.

What causes exhaust leaks? 

Exhaust leaks are generally caused by wear and tear or road debris. Over time, rust may build up on your exhaust. This weakens its structural strength, and it may begin to fall apart. Road debris on the other hand may be anything from construction materials to metal that may strike your exhaust.

Can an exhaust leak affect turbo?

An exhaust leak is actually likely to help your turbo spool, since some of the exhaust is escaping before the designed exhaust system. However, we strongly suggest that you fix any leaks. They aren’t going to sound good and could make you sick.

Are loose heat shields an issue? 

Yes. Heat shields are designed to protect the underside of your vehicle from the extreme heat contained in your exhaust system. If they become loose, they’re at risk of falling off. Loose heat shields are usually caused by corrosion or road debris.