this material is light

BMW M140I 2017–2019

the diffuser has a form of a smooth

Mountain Pass Performance's own words about their compression inserts for the Model 3:

1 (with vertical bars) Honda Civic Sport MK 10 Facelift

Set of splitters honda civic si mk10 Audi S6 this material is lightSet Splitters Honda Civic SI MK10 Suitable: Honda Civic SI MK10 20172019 Honda Civic SI MK10 20192022 Complete set contains: Front splits Side skirt diffusers Rear splits (with vertical bars) Spoiler cap Splits are in black color, it is ready for mounting. No need for further work, unless you want to paint it for a different color. Splitter visually lowers the car and improves the grip and the stability of the vehicle. In addition, you can choose red