Universal Fit 1-3/4" x 48" Straight Pipe w/ Clamp for TractorsOne New Aftermarket Replacement Straight Exhaust Pipe with Clamp for Universal Fit Tractors This straight exhaust stack pipe is a universal fit replacement designed to route exhaust gases away from the tractor engine. Sold as a complete kit including a mounting clamp, it is a direct bolt on stack pipe for vertical exhaust configurations on a wide range of agricultural tractor makes and models. The 1 3 4" inside diameter fits the muffler outlet on many