The MTD 951-14527 Muffler P90 N/O SAI helps manage engine exhaust flow and reduce operating noise on compatible MTD equipment. Designed for designated P90 engine applications, this muffler directs exhaust gases away from the engine while supporting proper exhaust system operation. It is a practical replacement for a rusted, damaged, clogged, or worn muffler that may affect engine perf... https://www.wholetoolbox.com/mtd-951-14527-muffler-p90-n-o-sai/951-14527.html