Exhaust systems are designed to survive years of heat, vibration, and road grime, yet some of their most important parts ...

For many truckers, the occasional faint scent of spent diesel fuel is a pleasant reminder of their occupation and the mechanical power they command. The fragrance is much less appealing, however, when ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader needing work done on a nearly 20-year-old car. The Car Doctor answers a question from a reader needing work done on a nearly ...

Before you fit an aftermarket exhaust, you need to consider your type and style choices carefully and also make sure that it is legal for road use. Before you start removing anything from your bike, ...

Prepping my WRX for heat wrapping the exhaust! Follow along as I remove the exhaust, replace the valve cover gaskets, and get everything ready for better performance. Read Joe Biden doctor's full ...

There's just something undeniably thrilling about the sound of a well-tuned diesel engine exhaust. Among all the ways you can upgrade your diesel truck, the exhaust modifications are what give your ...

There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...