F3D Exhaust Throttle

JR Airsail Verified independent store

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F3D Exhaust Throttle Ideal for throttling any non throttled Pylon racing engine during start up prior to race start. Helps keep the engine and pipe cool while waiting for the clock to count down. The alternative to adjusting the needle or closing down the intake with a finger so close to a spinning prop. Simply hold the Exhaust Throttle over the muffler tail pipe until ready to launch. Made from wood dowl for heat insulation to keep your fingers cool. Show more