Tagexhaust

Searching for exhaust info? Check out all the exhaust related articles here on the NAPA Know How blog. We’ve got Know How for all!

What Does a Catalytic Converter Do?

If you’re battling engine performance issues or diagnosing emissions problems, you might be wondering, what does a catalytic converter do?

Understanding exhaust systems and how they fit into a car’s ecosystem actually isn’t too difficult.

Exhaust Smoke Color Diagnosis: Blue, Black, or White?

Heat is the number one killer of all vehicle components, especially electronics and moving parts. Under the hood of your car, is a giant heat-generating engine, so reducing the radiant … Continue Reading Heat Management: How To Install Exhaust Heat Wrap

The exhaust system allows a combustion engine to breathe and operate smoothly. How much do you know about it?

The EGR (Exhaust Gas Recirculation) valve is an emission control device which helps maintain the combustion chamber temperature in an effort to reduce the formation of nitrogen oxides (NOx). The … Continue Reading What Does An EGR Valve Do And Why Is It Important For Emissions?

If a rattling heat shield has you worried, you may not need new parts. One of these quick fixes can restore your sanity and protect your vehicle.

It used to be when you heard someone say “diesel,” the word “dirty” was usually in close proximity. Those were the old days. Today’s modern diesel engines, including those found … Continue Reading EGR Valves & Coolers Are Core To Maintaining Clean Diesel Emissions

A bad catalytic converter will fail to transform dangerous exhaust gasses and feed back pressure into the exhaust system. Here’s how to diagnose it.

A bad catalytic converter will mess up your emissions and affect your car’s performance. Here are the signs of a bad catalytic converter.