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Just installed a RCExcel pump and Banggood smoke muffler on my Super Cub with 35 RA DLE. Total cost for everything was less than 100 bucks. Had an extra 17 ounce fuel tank laying around so I made a lite ply mount for the tank and pump that slips easily into the cab of the plane. The Smoke muffler from Banggood already has the smoke coil and pipe installed into it and the exhaust pipes are twice as long as the original muffler on the DLE . RCExcel pump is tiny and non exsistant for added weight. It runs off the receiver power so no extra batteries are needed ! This little bugger really moves smoke oil even when the speed of the pump is turned way down. Costed 49 bucks delivered and the muffler was under 25 dollars. Sullivan all fuel stopper was under 15 bucks as I recall . Cheap at twice the price.All hoses needed were included !Im using homemade smoke oil which is 60 % farm diesel fuel combined with 40% baby oil. Smokes like hell with the pump barely ticking over. Don't know about the longevity of any of this stuff yet but so far, I'm impressed!