Parts & Accessories Spare parts Peace be upon you. Catback from the catalytic converters to the last exhaust tip, complete except for the headers, with a Max Power muffler. It is known that it can withstand abuse, throwing, and programming, both it and its electronic valve. Clean use with an electronic muffler valve that works, God willing, with its remote, wires, and hose, with a Y-pipe. It was installed on a Sierra model 2013 and fits many cars. Its size is three inches. Contact via private message or comments for offers.