Larger diameter pipes reduce exhaust gas restriction, allowing for a faster and smoother flow. The result is a more resonant tone that has a fuller sound. Like headers, large pipes reduce back ...

An exhaust resonator is designed to reduce the drone ... modulating and changing the sound so it’s more muted and less obvious. While these resonators don’t really alter your emissions ...

That sound all comes down to your car's exhaust system — at least in a good ... Alongside the catalytic converter, which is there to reduce emissions, it will also have a muffler and very ...

You may think that your car’s exhaust ... mufflers reduce the volume. When combined, your vehicle’s resonator works with your vehicle’s muffler to create a more pleasant sound that isn ...

Because we often take cross-country trips to go 'wheeling, we wanted to reduce the interior volume ... an additional 2-db drop in sound levels in the exhaust's quiet mode over what we experienced ...

not only do they pull heat away from the exhaust, cooling things down a bit, but they also help reduce sound transfer. One of the reasons riders install these wraps has nothing to do with quieting ...

In an effort to reduce noise pollution, California is set to implement camera-automated exhaust noise enforcement ... is the means of enforcement. A "sound-activated enforcement system" means ...