R1757 Universal Fit 3-1/4" Saddle-Style Muffler Clamp for TractorsOne New Aftermarket Replacement 3 1 4" Saddle Style Muffler Clamp for Tractors This universal saddle style muffler clamp secures exhaust pipes and mufflers on tractors and agricultural equipment. The U bolt and saddle design provides a firm, leak resistant connection on 3 1 4 inch (3. 25") diameter exhaust pipe, making it a direct fit replacement for worn, cracked, or corroded original clamps across a wide range of tractor makes and models.