To help channel the high-speed airflow coming from underneath the car, diffusers redirect the high-speed air flow to transition smoothly into the low pressure vacuum at the rear. This encourages a smootdher air flow underneath the car and allows better performance from other dynamic components such as aerodynamic wings.
APR Performance now makes a custom diffuser for the 2023 and up FL5 Honda Civic Type R. APR diffusers are vacuum-bagged and cured in the autoclave at high temperatures, ensuring quality, durability, and extremely high strength-to-weight ratios. $1,700 at time of publication.
Image courtesy of APR Performance
You’re kidding right? what’s the kickback from APR on this article? That ain’t no diffuser.
Unless the CFD is provided with such a questionable product, I am disappointed this was included in the NASA news letter.