Check the listing for details. Generator So-Quiet Exhaust Universal Flex w/ Muffler 240cc-420cc Honda Predator?. Condition: New. Listed at 119.99 USD. ships for FREE in less than 24hrs 5 days a week from Memphis TN USA Fits the BIGGER Generators Above 5500Watt NEW RPQ PRODUCT "So-Quiet" Universal Remote ExhaustFrom RacersProQuip Mounting Flange fits Most all 240cc-420cc OHV EnginesChampion Honda Predator Firman Ironhorse Wen Westinghouse, 6500-9500w Stainless Flexible Remote Generator Exhaust!28" from Muffler to mounting flange15" Long Low Noise Muffler1" inside Diameter Tube*50mm o/c mounting flange (Holes can be altered to fit +/- 2mm)Please note this is a "universal" mount, we have no idea if it will fit YOUR exact application, The Engine steel Flange *mounting holes are 50mm on center, We offer no suggestions on how to mount or route this exhaust system, as mounted to the engine the exhaust is routed down and to the rear. These are used by Utility Truck Builders/ RV Builders/ Race Trailers/ Food Trucks/ Backup Power