For sale: Full cat-back system from (Max Performance) with two outlets and a normal outlet (from the Y-pipe to the end of the car), with a sound control device and two remotes. Fits all GMC vehicles, whether Yukon SUVs or pickups. The sound is beautiful and musical, not annoying, and the catalytic converters are not emptied. Its tone is sweet. Purchase cost: 3200 SAR, and invoices are available from a year ago. Notes: No notes, no dents, no leaks, and 100% sound. The cat-back and device are clean and almost new, used for less than a year. You have the right to inspect it, and it has no issues. Asking price: 2500 SAR