Interesting Devo and it sounds logical. With respect, a lot of these comments on here contradict each other a little. So I'm thinking it probably depends on the situation. Whether you get a notice in the mail, or you get one slapped on you by a cop in a filthy mood or even what state you are in. It's all a little confusing. But it generally sounds like they can't deregister your bike, as nobody seems to know anyone that this has happened to.

I had my rego suspended for six months while I waited for a new noise test sticker.

Yup, and hiflow filters including screaming eagle

Yup, and hiflow filters including screaming eagle