Designed to be mounted to the end of an air-flow pipe to encourage smooth air flow. You can mount one anywhere; in a bumper, under the front valance or next to an air filter. The idea is to attach flexi ducting to the back of the funnel to direct cold air to the air filter or to the breaking system.

SMALL
Has an outer diameter (A) of 70mm and a neck diameter (B) of 46mm

MEDIUM
Has an outer diameter (A) of 120mm and a neck diameter (B) of 66mm

LARGE
Has an outer diameter (A) of 120mm and a neck diameter (B) of 76mm

EXTRA LARGE
Has an outer diameter (A) of 140mm and a neck diameter (B) of 96mm