The muffler kit contains Honda GX270 muffler assembly, GX240 muffler assembly, manifold/exhaust pipe, 2 muffler studs,2 gaskets and 5 muffler mounting nuts, as well as 1 pcs spark plug for the convenience of regular maintenance of your Honda GX 240 GX 270 motor Replaces Honda GX 240 exhuast muffler assembly and Honda GX 270 exhaust muffler assembly for Honda 240cc 242cc 270cc 274cc 277cc engine motor. Replaces muffler part number # 18310-ZE2-W01 Replaces Honda 8hp exhaust muffler assembly and Honda 9hp exhaust muffler assembly for power equipment with Honda GX270 and GX240 engines, including water pump,pressure washer, compressor, snowblower ,excpet generator Replaces Harbor Freight Predator 301cc exhaust muffler assembly and many other 240cc 242cc 270cc 274cc 301cc 306cc Honda clone engine. including Powermate, Be Power, All power, Duromax, Loncin, Rato 274cc 301cc and many others. This is perfect exhaust muffler kit for maintenance of your Honda GX270 GX240 270 cc 240 cc motors.It is high quality muffler which is used on production massively by many small engine manufacturers. This muffler kit specially replaces Honda GX240 engine muffler, Honda GX270 engine muffler assembly for 8 horse power, 9 horsepower,10 horses power 240cm3 242cm3 270cm3 274cm3 301cm3 306cm3 Engine and many power equipment with these engine, including water pump, pressure washer, compressor, snowblower and more, except generator. This kit contains muffler, exhaust pipe/manifold, 2 gaskets and 5 mounting bolts, as well as 1 pcs spark plug for regular maintenance of your Honda GX 270 max GX 240 max 8 horse 9 horsepower engine. It's perfect rebuild kit for muffler maintenance. Everything needed is in readiness.