The active exhaust system gives Mustang owners the ability to change the tone of their exhaust. Here's how it works and if ...

Remote-controlled exhaust valves now available for the Nissan 370Z ... One of them is an exhaust with a remote-controlled butterfly valve that allows the driver to control how loud it bellows.

The “dual” in its name might be misleading, chiefly because there are five modes the exhaust can operate in. Thanks to butterfly valves integrated into the mufflers, the 2017 Camaro ZL1 can ...

The older version used a butterfly-style valve which was more obtrusive. ... although the GT350R will have a different exhaust. 0:00 / 0:00. See All 20 Photos. Share. You May Also Like.