SuperTrapp Spark Arrestor Mufflers for Small Engines
SuperTrapp mufflers are the only USDA Forest Service Approved spark arrestors that do not rely on restrictive swirl baffles or fragile screens. Sparks are funnelled into a collection chamber in the end cap, while exhaust gases exit between special diffuser discs. Even if the collection chamber filled to capacity, the small 0.023" gap between the discs still provides a back-up layer of spark protection.
The 3" diameter SuperTrapp 3S Series muffler is recommended for engines up to 10 HP, but it can be used on engines up to 50 HP where compact size is a greater concern than noise reduction.
The 5" diameter SuperTrapp 5S Series muffler is recommended for engines up to 100 HP, but it can be used on engines up to 200 HP where compact size is a greater concern than noise reduction.
SuperTrapp 3S vs. 5S Comparison and Technical Data
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Related Technical Documents |
SuperTrapp 3S and 5S Spark Arrestor Mufflers |
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5 inch Diffuser Discs for SuperTrapp 5S Series, 3-pack These Diffuser Discs fit all SuperTrapp 5S Series mufflers. Use 1 disc per 7 HP for proper backpressure. Fewer discs will reduce noise, but also power output. | SuperTrapp 2.50" Clamp-On Flange with End Cap for 5S Series This SuperTrapp 5S Series Flange and End Cap clamps over your 2.5" OD exhaust pipe to add a spark arrestor to your small engine. | SuperTrapp 5S Series 4" Standard Resonator with Long J-Bolt This resonator for the SuperTrapp 5S Series Spark Arrestor Mufflers has a long J-Bolt. Adding this resonator to a 5S Series muffler will reduce noise by 4 to 6 dbA without affecting power. |