GSE Performance Spark Arrestors - Fit'S Our Mufflers With The Larger Tailpipes muffler part #s these fit: 2231 / 2231-09 / 2230 /2230-10 / 1314-1038 / 2395D These spark arrestors do not fit our Trail Tamer muffler for the 850 Sportsman  you must order our smaller ones When you purchase 1- item you will receive a pair of the spark arrestors  enough to do both tailpipes on your GSE Performance muffler These are made of stainless steel and will meet forestry requirements for most states Be sure your muffler has the 1-7/8in. tailpipes before ordering