For installation, contact ( Phone number appears when clicking the contact button ) ✅ For Sierra and F150 - We have a catback from after the Y-pipe and an electronic muffler with a remote, single outlet like the agency or a small dual exhaust. - With a golden warranty, meaning we install it and test your car's sound. If you don't like it, we'll remove it. - If you open the muffler, you get the 🎵 V8 sound without being loud, and if you close it, you get a quiet sound close to the agency. - From after the Y-pipe, no need to turn on lights, no programming, or anything else. It uses agency bolts with no cutting or welding. - Price: 2646 and installation is free.