The rear diffuser comes into play as the air exits the back of the car, transitioning from fast-moving low-pressure to ambient pressures. A diffuser acts directly on this point when the air is at ...

Because a diffuser expands the air moving under the car and redirects it upward, that air will flow into this pocket and minimize its size, thus reducing drag. Because diffusers rely on expanding ...

Best car diffuser for gifting – Acqua di Parma and Poltrona Frau airound car diffuser: £110, Acquadiparma.com Best discreet diffuser – The White Company car scent diffuser: £15 ...