How do I fix a rusty exhaust system?

July 20, 2022

How does rust form on your car’s exhaust? The exhaust system is closer the ground and thus more vulnerable to moisture and debris from the road, like salt. Gasses and moisture inside your exhaust system also contribute to rust over time. If you live near the coast where salt collects in the air or in an area that uses road salt in the winter, frequent washing of the undercarriage will remove salt and dirt buildup that causes rust and corrosion. Ask your technician to inspect your exhaust system when you get your oil changed to monitor health.

When it comes to safety and vehicle health, replacing one rusted component is more time-consuming and expensive long-term. Rust is like cancer; once it has spread to one area of the vehicle, it won’t slow down. If your technician finds a rusty pipe on the exhaust system, but the rest of the system hasn’t been affected, you may be tempted to request welding in a new pipe or welding it back together. Rust is a sign of age and corrosion, so you’re better off replacing the system since a temporary fix will only prolong the issue and possibly put you in a dangerous situation. 

 

Our team of technicians and service advisors at Paul Campanella’s Auto & Tire Center is ready to answer any of your questions! Schedule an appointment today if you’re concerned about any aspect of your vehicle’s health.

 

Technician at Paul Campanella’s Auto Centers inspecting a vehicle’s suspension and brake components.
By Dylan Corcoran February 19, 2026
Car shaking when you accelerate? Learn the most common causes, from spark plugs to tire and drivetrain issues.
Mechanic testing a car battery with a digital multimeter under the hood .
By Dylan Corcoran February 12, 2026
Car won’t start in the cold? Learn the most common winter causes like dead batteries, fuel issues, and starter problems, plus what to do next in Delaware and PA.
4 Clear Signs Your CV Axle Is Failing | Paul Campanella’s Auto Centers
January 30, 2026
Paul Campanella’s Auto Centers in Delaware and Pennsylvania explain four clear signs your CV axle is failing and why early repair prevents breakdowns.
When to Repair vs. Replace Your Damaged Muffler | Paul Campanella’s Auto Centers
December 19, 2025
Paul Campanella’s Auto Centers in Delaware and Pennsylvania explain when a damaged muffler can be repaired and when replacement is the safer long-term choice.
How to Check Your Car's Fluids? Transmission Fluid, Engine Oil, and More | Paul Campanella’s Auto Ce
November 28, 2025
A quick, owner-friendly guide to checking engine oil, coolant, transmission fluid, brake fluid, and more - plus tips on when to seek service.
How Does Bad Fuel Impact Engine Performance in Modern Cars? | Paul Campanella’s Auto Centers
October 31, 2025
Discover why poor-quality fuel can disrupt modern engines, common symptoms, and steps to protect your car.
What Happens to Your Engine When You Delay an Oil Change | Paul Campanella’s Auto Centers
September 26, 2025
Delaying oil changes lets sludge build, causes higher engine temps, and accelerates wear. Learn why timely changes matter and the risks involved.
Man with arms crossed, smiling in a car repair shop with a car in the background.
July 15, 2025
Discover why drivers trust Paul Campanella’s Auto Centers for honest, skilled care across multiple locations with fast, transparent service.
Futuristic car in a high-tech garage, with holographic displays and tools.
July 15, 2025
Discover how AI-powered diagnostics, predictive maintenance, and robotics are reshaping auto service - from fleet efficiency to daily repairs.
Man with a gray beard looking at his phone with the hood of his truck open in the background.
July 15, 2025
Need quick auto repair? Get same-day inspection at Paul Campanella’s Auto Centers in Wilmington, Swarthmore, and nearby towns. Book in the morning.