Campus Shell Smog Check is an honest and friendly place for smog checks. It is known for great prices and being fast, with checks often taking only 10-15 minutes. Customers report being in and out quickly without an appointment and able to register with the DMV within a day. The technicians are knowledgeable and kind. It is primarily a one-man operation for smog checks, separate from the mechanic, so calling ahead is highly recommended. While most vehicles are a low, set price, larger vehicles like diesel trucks cost more. Customers appreciate the honesty, as the business will suggest cheaper repairs instead of unnecessary ones. Many recommend it as their go-to place and a wonderful independent operation to support.