21469805
Exhaust Manifold
Volvo

Exhaust gas collection and evacuation from the engine exhaust ports is routed through a stainless or heat-resistant steel manifold that channels hot combustion products toward downstream components, such as turbochargers or exhaust aftertreatment. It is engineered to withstand elevated temperatures, thermal cycling, and corrosive exposure from exhaust gases, while providing a sealed interface to any attached gaskets and sensors. The component influences turbocharger response by maintaining consistent exhaust flow and pressure, which in turn affects overall power delivery and torque curves. A well-designed manifold reduces thermal stress on adjacent components, minimizes backpressure, and supports efficient emission control by ensuring stable exhaust gas composition. In service, attention to gasket integrity, fastener torque, and mounting clearances prevents leaks that can trigger warning codes and reduce performance. Proper maintenance helps protect engine efficiency, prolongs component life, and supports reliable day-to-day operations across heavy-duty applications where duty cycles span long hauls and varied climates.