$28 for One Annual Vehicle-Emissions Inspection and Certification at Star Smog Long Beach ($70 Value)

Star Smog Long Beach

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$70 60% $42
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In a Nutshell

State-licensed techs test exhaust fumes to ensure vehicles meet California’s emissions standards

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Valid only for option purchased. Appointment required. Valid only with vehicles model year 2000 or newer. Not valid on RVs, conversion vans, or extra-large vehicles. Value does not include California licensing fees or taxes. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

The Deal

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

Very nice guy. I was in and out.
Diana L. · June 6, 2016
Excellent Customer Service, could not be happier. Kid friendly shop also. Highly recommended
Cynthea · April 22, 2016
They were very friendly and professional. Great service!
Sandy · April 2, 2016
Merchant Location Map
  1. 1

    Star Smog Long Beach

    1147 East Anaheim St

    Long Beach, CA 90813

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