A Muffler not only calms down the roar of your engine but, it also provides back pressure to your exhaust insuring your Yamaha golf carts engine will maintain its longevity. We carry replacement mufflers for Yamaha G1, G2, G3, G5, G8, G9, G11, G14, G16, G20, G22, and G29 "The Drive" gas golf cart models.