Category: Intake

What is Secondary Air Injection (SAI)? 0

What is Secondary Air Injection (SAI)?

Certain Audi’s and Volkswagens are equipped with a Secondary Air Injection systems which run off the stock air intake box. It is important to know if your car is equipped with this system as...

Secondary Air Injection 0

Secondary Air Injection

Important Notes: If your car has a secondary air injection (CBFA engine code) you will need a secondary air filter.