Tuning your truck or 4x4 with the right exhaust mods is a tricky thing. If everything is set up correctly, then horsepower, torque, and mileage go up because the engine is working more easily and is ...

Building a custom exhaust system can be an extremely tedious process if the fabricator is uninitiated, ill prepared, or improperly equipped. But with the right tools, skills, and a decent array of ...

Navistar International Corp (NYSE: NAV) recently recalled more than 24,000 International model heavy-duty trucks due to a possible defect that could cause the exhaust tail pipe to fall off the ...

We're all interested in getting more power and mileage from our sport trucks. The question is how to get it. Two of the most popular bolt-on performance parts are free-flowing intake and exhaust ...

Even as immense as the 2017 GMC Sierra HD Diesel is, its fart cannon tailpipe looks as comically oversized as the one on your high school buddy's mad tight Honda Civic Si hatchback. As you may know, a ...

Increasingly stringent diesel engine exhaust emissions regulations have, over the past 20 years, reduced output of nitrogen oxides (NOx) by 95% and particulate emissions by 90% in heavy trucks. These ...