Tested and US Forest Service approved for vertical and horizontal installations. All Spark Arrestors have 95% or greater efficiency on incendiary sparks - reduces fire hazard.
Selecting a Spark Arrestor
Generally, if a spark arrestor will fit on the exhaust pipe of an engine, it will also have acceptable back pressure for that engine. In some cases, a larger size spark arrestor will be required to stay within back pressure limits and in those cases, adapters will have to be used.
View the reference sheets below for detailed parts information (requires Acrobat Reader).