What Is an Exhaust Manifold and Why Is It Important? An exhaust manifold is crucial for enhancing your vehicle’s performance, but how exactly does it work? If you’re a passionate diesel enthusiast who is always seeking ways to elevate your truck’s power and torque, turn your attention toward your exhaust manifold. This piece of equipment is crucial in your truck, making a significant difference in optimizing your vehicle’s performance. However, before investing in an exhaust manifold,...