If you use a gasoline-powered V-8 pickup or SUV to tow a trailer, chances are you're going to eventually have an exhaust leak caused by broken manifold bolts or studs. We have a 2004 Dodge Durango ...

We've all seen them at the shows or cruises-a fresh engine, sparkling in Ford Corporate Blue with every clip, hose, and wire perfectly detailed and positioned. Even the engine compartment is spotless.