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.

When the valves are open, more exhaust flows freely, producing a louder, deeper tone and often marginally improving performance. When closed, the flow is restricted, reducing volume without ...

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 ...

It appears that even Lamborghini Murcielago LP640s are prime candidates for a little reworking by the tuning industry.

Its new, central exhaust exit looks neat, but it only tells part of the story. ... but one of the pipes had a butterfly valve in it just like the new JCW’s second exhaust outlet.

Electronically controlled exhaust butterfly valve for reduced back pressure and improved sound Four colours available on the GS: two non-metallics (white and red) and two metallics (black and grey) ...

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.

When the valves are open, more exhaust flows freely, producing a louder, deeper tone and often marginally improving performance. When closed, the flow is restricted, reducing volume without ...