Super Sonic Smog is a highly regarded smog inspection station known for its competitive pricing and efficient service. Customers appreciate the straightforward walk-in process, as appointments are not necessary. Many reviews highlight Randy, the technician, who is praised for his professionalism and willingness to explain necessary repairs when vehicles fail the test. The facility offers comfortable seating options for customers while they wait, including chairs in the office and outdoor tables. Visitors have noted the busy atmosphere, with traffic visible from the location, and commend the friendly demeanor of both the technician and the counter staff. Although there was a mention of a discrepancy regarding advertised prices, the overall sentiment remains positive. Customers have been returning for years, citing Super Sonic Smog as the best place for smog tests in Petaluma, and many express their intent to return for future needs. Overall, Super Sonic Smog is recommended for its value, service, and customer experience.