scope:

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose. To prove the structural durability of tuning elements against thermal cycling caused by varying exhaust gas temperatures as well as by external water splash on the hot tuning element surface.

Applicability. This test procedure is applicable to all exhaust system tuning elements. It may also be applied to other exhaust system components (e.g. heat shields attached to exhaust pipes, exhaust gas heat recovery units). In such a case required modifications of the test set up, test conditions and test criteria shall be defined in the component's specification.