(vortex generators - can be used with rear spoiler on sedans/liftbacks/coupe-suvs,used on rear spoiler on hatchbacks/suvs)
(front lip spoilers - applicable on most cars, can be used w/ rear spoilers & vortex generators)
(underbody spoiler - rear & side, applicable w/ all parts mentioned above)
that’s all folks!
why not but at the same time… why yes
Yes wooden spoiler