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, ...

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, ...

Well-engineered, bolt-on replacement exhaust systems are a relatively modern advancement. Up until the early 1980s, enthusiasts were forced to replace a rusted-out mess of mild steel piping with more ...

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 ...

As traumatic as it was at the time, the addition of selective catalytic reduction and diesel particulate filter aftertreatment to modern trucks will likely go down as one of the industry’s greatest ...