Your Cummins's exhaust manifold plays a significant role in ensuring your vehicle is running at its best. Here's what will ...

In our case, the Hemi exhaust manifolds use four studs and five bolts. The studs hold the heat shield in place. All of our bolts came out in one piece, but two of our studs had snapped.

Even though most exhaust ... cases they make their way inside the cabin. We spoke with several experienced mechanics and compiled a list of symptoms that are associated with a cracked manifold.