Posted on 2/28/2025
Your car’s exhaust system does more than just reduce emissions—it helps your engine perform efficiently and safely by directing harmful gasses away. But rust can quickly turn a well-functioning exhaust into a problem, leading to leaks, poor fuel efficiency, and expensive repairs. Since rust thrives in moisture-rich environments, knowing how to protect your exhaust system can save you from premature failure. So, what causes rust to build up, and how can you keep it from damaging your vehicle? How Does Rust Form on an Exhaust System Rust, or corrosion, occurs when metal is exposed to moisture and oxygen over time. Since your car’s exhaust system is located underneath the vehicle, it is highly vulnerable to the elements. Several factors accelerate rust formation, including: Road salt and winter conditions In areas with snowy winters, road salt is used to prevent ice buildup. While effective for road safety, salt is highly corrosive an ... read more