Description: Established in 2004, this Smog Test Only center specializes in making sure that your experience is painless. The company built its foundation on 3 core concepts, which are to be honest, professional, accurate and reliable.

Pros: Average service time 10 min in and out the door.

Cons: Opens later than most shop at 9AM.

Comments: Visit their website and get a $20 off coupon.