Peace, mercy, and blessings of God be upon you. An electronic valve is available with excellent quality, fits all cars. ((New in its box, unused)) ((It has the advantage that it is electric, not air. The air one has many breakdowns because of the device that comes with it. The valve I am offering has a switch, which is better than a remote. When you open it, the sound comes out, and when you close it, the original sound returns.)) Available sizes: 3 inches, the best size for performance and sound, and it fits all cars. Contents: 1- Thermal insulation for wires 2- Electronic valve 3- Switch that can be installed anywhere inside the car. The elbow is 35 SAR. Installation is very easy and costs less than 250 SAR at any exhaust shop. Shipping is available only via ((Aramex - Zajel - SMSA)). The shipping cost is, of course, borne by the buyer.