The FDR F1 electronic muffler has a very pleasant sound. It fits F-150, Land Cruiser, Sierra, and Silverado. It fits all cars and comes with two new remotes and the device to open and close the muffler. I used it for only 3 months with very light use. The muffler's valve is intact and has no looseness. Guaranteed to have no leaks, and the welding is excellent laser stitching, very clean. I bought it for 1200. The reason for selling is that I don't need it anymore. Best offer. Serious buyers only, please. I won't disappoint serious buyers. Contact via private message. Public messages will be ignored. Contact via private message. Public messages will be ignored.