Suitable with multiple variants ( BR800X 4283 140 0611, BR800C 4283 140 0611, BR800mX 42831400611), this set ensures proper exhaust systems alignment and vibrations resistance Designed as a direct OEM replacement for BR800 series backpack blowers, this muffler set ensures optimal noise reduction and engine while maintaining factory specifications Perfect for replacing worn out mufflers during routine equipment maintenance or when restoring older backpack blowers to high operational condition Ideal for professional landscapers and craft enthusiasts requiring authentic suitable components to maintain their gasolines powered blower ' s efficiency The sturdy construction includes a complete exhaust silencers assembly, two special bolts, and a accuracy fit gasket for seamless installation on BR800 / C / X models, Manufacturer: jklymm