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Home / Car Parts / Fuel & Emissions / Exhausts & Emissions / Secondary Air System

Secondary Air System

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Secondary Air Systems are designed to reduce emissions produced by your vehicle's internal combustion engine.


They use pressurized air introduced after the combustion process to reduce emissions of hydrocarbons and carbon monoxide.

This helps to make your car's exhaust cleaner and more in line with environmental regulations.

Our selection of secondary air systems includes a range of options for varying power outputs and degrees of interior complexity, making them suitable for a wide variety of applications.

No matter your vehicle type or make/model, our experienced customer service team is here to make sure you find the right system to fit your needs.

Shop our selection today to find the perfect secondary air system for your needs.

Automotive Parts Distribution | apd.co.uk

Frequently Asked Questions - FAQs


Automotive Parts Distribution | apd.co.uk

Q1: What is a Secondary Air System?

A1: A Secondary Air System is an emission control system designed to reduce exhaust pollutants such as hydrocarbons and NOx. In many vehicles, this system injects fresh, clean air into the exhaust system in order to improve the combustion of fuel and reduce emission.

Q2: How does the Secondary Air System work?

A2: The Secondary Air System works by introducing fresh, clean air into the exhaust system. This air helps to reduce the emissions created by burning fuel as it helps to complete the process of combustion. The air also helps to reduce hydrocarbon emissions as it helps to complete the process of oxidation.

Q3: What are the benefits of the Secondary Air System?

A3: The benefits of the Secondary Air System include improved combustion of fuel, lower emissions, and increased fuel efficiency. The system helps to reduce the negative impacts of burning fuel, making it more efficient while also helping to reduce the amount of pollutants released into the environment.


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