This Cut Out Valve System Kit is specifically designed for single exhaust pipe and made to enhance the performance and power of your vehicle by remotely controlling of cutout valve. The faster the exhaust could be pushed out of the engine, the faster the combustion process could start over which give more horsepower. Aggressive deep sound while ensures smooth exhaust gas flow. One-Touch Loudness: 2.0/2.5/3.0 Inch Electric Exhaust Cutout Valve Kit fit for all types of vehicles. Note: please make sure you have enough space to install before purchase and make sure your exhaust size is 2.0, 2.5 or 3.0 inch. Cutout Valve: High-quality chrome-plated steel butterfly plate and valve pipe wall thickening process. You can turn on and off from the inside of the car by remote control. Turn off the switch, keep your original, peaceful exhaust system for comfortable. Turn on the switch, you can get aggressive deep sound. The opening angle of the cutout valve can be freely controlled. Working Voltage: 12V. Working Temperature: 0℃-150℃. If below -5℃, the oil in the motor will be frozen and causing the butterfly valve to be stuck. Electric Exhaust Cutout is not recommended to start work in heavy rain or extremely cold weather, the valve motor is NOT WATERPROOF. The Cut-out valve Kit included: 1 x exhaust pipe cutout valve with motor, 1 x extension harness, 1 x wireless remote control,1 x control box with cigarette lighter plug. CLICK TO GET INSTRUCTION Professional Installation is highly recommended. SPELAB Butt Joint Exhaust Band Clamp is recommended for installation. SPELAB warrants the Electric Exhaust Cutout Valve Kit for 12 months warranty for quick-wear part. Include (motor, remote control, control box). We value your shopping experience and strive to offer a high-quality product and service. And if you have any other problem, contacting us and we will serve you within 24 hours.