GMC Sierra 2020 Automatic 4WD I have two Sierra 2019+ dual exit right catbacks. Flowmaster. Slim, condition is good, nothing wrong with it. Loud, comes with two remotes. Flowmaster. Slim, condition is good, nothing wrong with them. Except for the Flowmaster catback, there is a dent on the exits from above, it does not affect the air exit or anything. Comes with a remote. Both come with their accessories. Each is sold separately. Contact via WhatsApp.