Has always been part of the inspection process has it been enforced no . Any modification is and has been illegal by state and federal law for the past 20 years . This law increases the fines for excessively noisy exhausted. So what is excessively noisy?the "loud exhaust" bill was just introduced in 2021. usually inspoections didn't bother checking if you had glass packs, or even no mufflers on a motorcycle. Now it mandatory in order to pass.
This amendment increases the fines nothing else
https://www.governor.ny.gov/news/go...wn-noisy-illegal-mufflers-and-exhaust-systems
Interesting read about the myths and facts of what it does. The amendment deals with straight pipes cutouts and cat /muffler deletes.
https://www.semasan.com/legislative...vs-fiction-new-york-exhaust-noise-legislation