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Road salt is hard on exhaust systems, so rust and leaks are a very Canadian problem. A loud exhaust is annoying, but a leak near the cabin can also let carbon monoxide in. This page explains the common exhaust repairs, typical prices, and why catalytic converters cost what they do.
Last updated: October 2026
Rusted or cracked mufflers and pipes are the most common exhaust jobs. Often a section can be replaced without redoing the whole system.
It reduces harmful emissions and contains precious metals, which is why it is expensive and a theft target.
Cracks near the engine cause ticking noises and leaks, and can trigger warning lights.
Sensors monitor the exhaust and affect fuel economy. A failing one often turns on the check engine light.
Typical ranges only. Vehicle type and whether parts are universal or direct-fit change the price.
A hole or crack in the muffler or pipes.
A loose heat shield or a broken internal part in the converter.
Treat it seriously. Open the windows and have it inspected right away.
Can be an oxygen sensor or catalytic converter efficiency code.
A failing sensor or converter can affect engine efficiency.
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Not for long. A leak ahead of the cabin can allow carbon monoxide into the car, which is dangerous. Get it checked promptly.
They contain precious metals like platinum, palladium and rhodium. The cost of the metals is a large part of the price.
Small holes or loose joints can often be welded or clamped. If the pipe is rusted through in several places, replacement is usually better value.
Park in well-lit or secured areas, ask a shop about shields or etching, and tell your insurer about any added protection.