StacksVerified U.S. regulatory reference

46 CFR §30.10-63

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The term spark arrester means any device, assembly, or method of a mechanical, centrifugal, cooling, or other type and of a size suitable for the retention or quenching of sparks in exhaust pipes from internal combustion engines.