This MACS 6650 Black Tuned Muffler is the perfect addition for your O.S. .35-.40 FP and .40-.46 LA engines, Webra 40 R/C, Magnum .40 & .44 GP engines, and Thunder Tiger of .42-.46 GP Model Airplane engines. The muffler is made in the United States. This muffler is a great choice for those who want to improve their model's performance. This item is perfect for those who are looking for a high-quality muffler for their R/C model vehicle. NEW IN PACKAGE condition. See pics for more detail. Feel free to message us with any questions or if you need additional pics.

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