Smog Inspection Check for One or Two Vehicles at Quick Smog Check (Up to 55% Off)

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In a Nutshell

Expert technicians use state of the art smog machines to perform checks on vehicles that are required by the state of California

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. Appointment required, same day appointments accepted. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. Does not include $10.25 fee for certification and electronic transfer per the State of California. Extra $10 fee per vehicle for 1999 models and older as well as for larger vehicles Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Choose Between Two Options

  • $35 for smog inspection check for one vehicle ($65 value)
  • $59 for smog inspection check for two vehicles ($130 value)

Catalytic Converters: Keeping Combustion Clean

Cleaner cars make for cleaner air. Learn how catalytic converters help with Groupon’s guide.

A car’s engine is a dirty place, and it produces even dirtier exhaust. Vapors exit the combustion chamber carrying a nasty trio of smog promoters: nitrogen oxides, hydrocarbons, and carbon monoxide. As these pollutants barrel through the exhaust manifold (the set of tubes that feeds exhaust from each cylinder into the exhaust pipe), there’s only one thing standing between them and the innocent air outside: the three-way catalytic converter.

Situated just before the muffler, the converter is home to honeycombed ceramic cores coated with some combination of platinum, rhodium, and palladium—three rare metals that interact with the main components of the pollutants. When exhaust enters, the metals trigger chemical reactions that heat the gasses and rearrange their molecules. Under their influence, nitrogen oxides splinter into pure oxygen and nitrogen, while hydrocarbons and carbon monoxide are oxidized into less-harmful carbon dioxide and simple water. Since their introduction during the 1975 model year, these unseen cleaners have made air more breathable and much tastier: the EPA estimates that cars built today are 98% cleaner than their counterparts from the 1960s.

Customer Reviews

So good! I was seen right away and it took about 10 minutes. Sergio (I believe was his name) was a clear communicator and very kind. Great experience.
Laura E. · December 17, 2016
Fast and smooth!
Albert V. · December 3, 2016
this place gives very good customer service. I will take my other cars to this place from now on.
David M. · November 27, 2016
Merchant Location Map
  1. 1

    Canyon Country

    27266 Camp Plenty Road

    Ste B

    Santa Clarita, CA 91351

    +16612528440

    Get Directions
  2. 2

    Woodbury

    700 North Glendale Avenue

    Glendale, CA 91206

    Get Directions

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.
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