T he diffuser is a chunk of bodywork low on a car’s rear end, usually shaped to manage airflow, improve aerodynamics, and—let’s be honest—look bitchin’. Bugatti’s new ...

When retracted, the fabric diffuser rolls up into a covered box on/or attached to the rear bumper. When deployed, it stretches out into a straight wing-like shape straight off the back of the vehicle.

Vauxhall VX220: Spotted There are still tidy-looking VX220s available for £10k ... Transmission: 5-speed manual, rear-wheel drive Power (hp): 147@5,800rpm Torque (lb ft): 149@4,000rpm MPG: 33 CO2 ...

We gave our F90 BMW M5 a rear-end refresh with a sleek RKP carbon fiber diffuser and a clean Acexxon reflector delete for that perfect OEM+ look. 💨 Watch the full install and see how these ...

EDITOR’S NOTE: This article initially ran on Jan. 10, 2024. It has been updated in advance of Sunday’s debut of the short-track rules package at Phoenix Raceway (3:30 p.m. ET, FOX, MRN ...