Vacuum exhaust valves allow mild sounds while streeting, and roaring exhaust sounds on the track.
A valve can open and close the exhaust flow. Examples of use are a screamer pipe directly after the downpipe, or a muffler bypass.
Available in 2.25", 2.5" or 3" diameters as vacuum controlled.
We carry a ton of different spare parts & OEM supplies. You are welcome to make an inquiry from our spare parts page: Spare parts inquiry form
Spare parts products in the shop