Description This high-quality replacement muffler (SKU: ST0604) is designed to fit the STIHL TS400 cut-off saw, matching OEM part number 4223 140 0601. Built from durable materials to withstand extreme heat and vibration, it ensures your equipment runs quietly and efficiently. A direct bolt-on replacement that restores engine performance and reduces exhaust noise on your STIHL TS400. Features Direct OEM replacement – matches STIHL 4223 140 0601 for a perfect fit Durable steel construction resists heat and corrosion for long service life Easy installation with no modifications required Specifications SKU ST0604 OEM STIHL 4223 140 0601 Material Steel Type Exhaust Muffler Fits STIHL TS400 Cut-off Saw Product Line Mufflers & Exhaust Components – replacement mufflers for STIHL power equipment, designed for quiet operation and reliable performance.