Exhaust-Mate 35753 3 1/2" Heavy Duty U-Bolt Exhaust Clamp Exhaust-Mate offers a variety of clamp styles and sizes for your installation needs Helps to ensure a leak-free connection Constructed from durable and robust material for long life New Exhaust-Mate accessories help to ensure effective exhaust repairs Exhaust-Mate supplies all of the accessories you need to do the complete exhaust job