SHADOW Electronic exhaust controller Application is now available for iOS!
Whether you have a factory electronic motor or an aftermarket modification, this application allows users to control the exhaust valve switch by customize the values. Easy setting but give you full of joy. Don’t forget to connect to the Bluetooth first!

Introduction:
● Select any control conditions of “RPM”,” SPEED” or “BOOST” to open the valve when reach the selected value.
● You can use the remote control to switch as well.
● Built-in fault light elimination functions.
● Cool and interactive interface design.

SHADOW always do the best to meet customer's demand. With advanced technology and over 19 years’ experience, we are determined to create the best products for the car users in the world. If you have any new idea, it is welcome to contact us. Thank you.