INSTALL INSTRUCTIONS MBRP S5237 Instructions 3" Cat-Back 2021-Up Ford Bronco Single High Clearance Rear Exit T304 Stainless Steel 2021-Up - Ford Bronco, 2.3L/ 2.7L EcoBoost, 2-Door/4-DoorT304 Stainless Steel, 3" Cat-Back, Single High Clearance Rear Exit Smooth Mandrel Bent Tubing Bolt-on Installation Utilizes OEM Hanger Placement High Clearance Design for Rough Terrain Up to 35% Flow Increase as Tested on 2.7L Up to 93% Flow Increase as Tested on 2.3L +17HP & +14ft-lbs Torque Increase (2.7L)