3-inch electric exhaust valve with manual switch

Specification:
Valve Material: Stainless Steel and Aluminum
Color: Sliver (as pictures show)
Tubing Diameter (in):3″
Installation: Bolt-on
Voltage: 12V
Quantity: 1 Set (Without Battery)
Package Included:
1 X Electric Exhaust valve Valve Kit with Gear Driven Motor
3 X Screws (Hardware as shown in the picture above)
1 X Manual switch
1 X Electric switch
1 X Extend power line
(As the picture shows)
Features:
1. Lightweight CNC Machined Anodized T-6061 Aircraft Aluminum Alloy
2. High Polished Finish
3. Tig Welded Construction
4. Universal