What components are included in an exhaust system inspection?

The correct answer involves examining key components of the exhaust system, which is critical for ensuring proper vehicle performance and emissions control. When conducting an exhaust system inspection, checking for leaks is essential because exhaust leaks can lead to harmful fumes entering the cabin and can result in increased emissions and decreased vehicle efficiency. Inspecting the attaching points is also vital to confirm that the exhaust system is securely mounted and not at risk of detachment, which could pose safety hazards. Finally, assessing the overall condition of the exhaust system, including the condition of pipes, mufflers, and catalytic converters, helps ensure that all parts are functioning properly and are rust-free, which is important for longevity and performance.

The other options relate to different systems within the vehicle. For instance, a visual inspection of the body and frame is essential for assessing external damage or structural integrity, examining tire tread depth pertains to the vehicle's tire safety and performance, and evaluating the brake fluid level is critical for ensuring effective braking performance. While all these inspections are important in their own right, they do not pertain to the exhaust system specifically.