The ProMuffler v2 is perfect for 55-class engines running 15-30% nitro.  Quiet, with throaty rasp at full song, this highly polished aluminum unit allows the engine to mantain its full rated power with set-it-and-forget-it needle valve adjustment.  SPECIAL - BUY 1 GET a 2nd FREE

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Designed for the OS Max 46F-H helicopter engine, it also fits the OS Max 50SX Hyper.  Though it will cost some top end power running on a Hyper, it's still fine for sport use (loops, rolls, and learning to hover) because it's only 10 bucks!

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Tired of flooding your engine when refueling, spilled fuel during transport leading to carpet stains, wear and tear on lines causing n air leak resulting in an engine flame out?  The answer lies in shutting off the flow of fuel or air with these inexpensive clamp-style Fuel Shutoffs.  They're inexpensive, come two to a pack, don't require tools (or cutting the line) for installation and work great!

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Ever experienced a crash because the fuel line on the carburetor's nipple slipped off due to wear and tear and resulted in a flame out?  We have, and it led to an expensive crash!  In frustration we sought a solution and our nifty t-style fuel filter is the result.  It's perfect because you can fuel and empty a tank without first removing the feed line!

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