Exhaust suitable for Stihl TS410 TS420. This silencer is made to fit and comes with two screws, an exhaust gasket and a heat plate. We recommend always renewing the carburettor membranes with engine maintenance. Not original. Sägenspezi is a distributor of saw accessories. With speed and quality, we supply accessories suitable for your brand saw. We do not sell genuine Stihl parts and have no business relations with Stihl.