Anyone running the HARD Motorsport E90 Rear Diffuser Kit? I am really interested in getting one but haven't heard any know really talk about them. the HMS is definitely the cheapest and even comes with free shipping from ECS.
here is my list of considerations, I really like "Diffusers and more" specifically since they also carry matching side skirts and front lip... decisions decisions
$279
http://www.hardmotorsport.com/hard-m...-bmw-e90-335i/
$410
https://fancywide.ru/product/bmw-e90-e91-rear-diffuser/
$265
https://diffusersandmore.com/product...-rear-diffuser