Driving a Volkswagen car with a Downpipe Exhaust problem can cause a variety of risks. Firstly, the Downpipe is an integral part of the exhaust system, so a faulty Downpipe could lead to exhaust gases leaking into the cabin. These gases can be hazardous to your health and can cause nausea, dizziness and fatigue. Additionally, the Downpipe is responsible for regulating exhaust gas pressure, so driving with a faulty Downpipe can cause an increase in exhaust pressure, which can strain the engines components and reduce fuel efficiency. This can in turn lead to higher levels of harmful exhaust emissions released into the environment. Finally, the Downpipe plays a vital role in the catalytic converter’s ability to reduce harmful emissions and without it, driving a Volkswagen can fail emissions tests, leading to fines or even the potential need for a vehicle replacement.