I've been driving around without a sticker for a couple years now (exempt in CT). My SD now has remnants of a 1995 TX inspection sticker that has melted itself into the windshield I haven't been bothered, and I drive in NJ all the time.

__________________
TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth