A-CL218-AI 2-1/8" Muffler ClampsOne New Aftermarket Replacement 2 1 8" Muffler Clamp for Tractors and Agricultural Equipment This saddle style exhaust pipe muffler clamp is designed to secure mufflers and exhaust pipes with a 2 1 8" outside diameter on tractors, combines, and a wide range of agricultural and lawn and garden equipment. A universal fit design makes it a practical replacement for worn, rusted, or damaged exhaust clamps across many machine types and brands.