Emissions and VOC laws in Wisconsin
We haven't been able to check Wisconsin's aftermarket emissions parts, gas small engines and high-VOC consumer products laws yet: its official code isn't freely available online.
Check a specific item for WisconsinFederal
Applies nationwide.
BannedDo not sell or ship emissions defeat devices (delete pipes, EGR/DPF/catalyst deletes, tuners or software that disable emission controls) anywhere in the US.
Exact text
(B) for any person to manufacture or sell, or offer to sell, or install, any part or component intended for use with, or as part of, any motor vehicle or motor vehicle engine, where a principal effect of the part or component is to bypass, defeat, or render inoperative any device or element of design installed on or in a motor vehicle or motor vehicle engine in compliance with regulations under this subchapter, and where the person knows or should know that such part or component is being offered for sale or installed for such use or put to such use; or