If your STIHL TS410 or TS420 concrete cut-off saw is getting too loud or needs a muffler swap, this replacement exhaust muffler assembly has you covered. It's a direct fit for both the TS410 and TS420 models, so no guesswork needed. The kit comes with everything you see here: the muffler itself, plus essential gaskets and a cooling plate to make sure your saw runs smooth and cool. Specifically, it replaces part numbers like 4238 149 0600 for the gasket and 4238 141 3200 for the cooling plate. Perfect for DIYers or pros who want to keep their equipment in top shape without paying shop prices. Installation is pretty straightforward if you're handy with tools—just make sure the saw is off and cool before you start. Made to meet original specs, so you get reliable performance and reduced noise, just like the original part. Whether you're cutting concrete, asphalt, or other tough materials, a good muffler keeps things running safely and efficiently. Keep your STIHL saw going strong with this affordable, quality replacement. Don't let a worn-out muffler slow you down—grab this set and get back to work!