The exhaust components leak.

Tighten the clamps or the couplings.

The components are improperly installed or misaligned.

The following conditions are present in the tubing.

Replace the damaged component.

Flaws are present in the following components:

Replace the components. Refer to Front Pipe Replacement , Intermediate Pipe Replacement , or Exhaust Particulate Filter Replacement .

Some of the exhaust system components are missing.

Install the missing components.