When a truck's exhaust manifold suddenly breaks in the middle of an important job, it can cause a major headache for truck owners and mechanics alike. This is a critical part of the engine that helps ...

Jon Volk is a well-known maker of custom exhaust manifolds for high-horsepower BMWs. Watch him work his design magic and cook up a header for a 1,000-plus horsepower M3.

Background The International Agency for Research on Cancer recently classified diesel engine exhaust (DEE) as a Group I carcinogen based largely on its association with lung cancer. However, the ...