Air Induction System: Description

The air induction system is a non-pump type air injection system which uses engine exhaust pulses to draw fresh air into the exhaust system. This helps further oxidize hydrocarbon (HC) and carbon monoxide (CO) emissions. The main component of this system is a reed valve which reacts to the exhaust system pulses. Brava and Spider models use two reed valves in the system, while Strada and X1/9 use only one.