The rumble sounds great in the driveway, but the real story is complicated.

Our vehicles are just like us, if they don't have a chance to breathe, they will die... well, not quite, but their performance, fuel economy, and life span will be dramatically shortened. Typically, ...

It is truly an... interesting world we live in these days. After Audi started an interesting trend with its enhanced exhaust systems for the diesel models of the range, BMW seems to be following suit.

The 6.6L Duramax diesel is an extremely versatile engine with lots of torque and plenty of durability-as the name would imply. For anyone looking for an excellent tow rig, race truck, or daily driver, ...

Most diesel truck owners are aware of the benefits of a larger exhaust diameter – lower back pressure, lower egts, higher boost, more horse power and more torque. These benefits are even greater when ...

Learn how a 6.7 powerstroke delete kit with tuner and smart upgrades like a ccv delete 6.7 powerstroke can lower EGTs, ...

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 ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

Exhaust aftertreatment has turned many diesel engines into clean, quiet workhorses, but it has also made driving patterns more important than ever. Diesel particulate filters need sustained exhaust ...