40 CFR § 1051.520 - How do I perform exhaust durability testing?

---
identifier: "/us/cfr/t40/s1051.520"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1051.520 - How do I perform exhaust durability testing?"
title_number: 40
title_name: "Protection of Environment"
section_number: "1051.520"
section_name: "How do I perform exhaust durability testing?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "U"
subchapter_name: "AIR POLLUTION CONTROLS"
part_number: "1051"
part_name: "CONTROL OF EMISSIONS FROM RECREATIONAL ENGINES AND VEHICLES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
regulatory_source: "67 FR 68347, Nov. 8, 2002, unless otherwise noted."
cfr_part: "1051"
---


# 1051.520 How do I perform exhaust durability testing?

Sections 1051.240 and 1051.243 describe the method for testing that must be performed to establish deterioration factors for an engine family.

[70 FR 40501, July 13, 2005]