Think you've printed every upgrade there is for your printer?
Put on your seatbelt and get ready for the fastest prints you've ever seen.
This spoiler mounts on a 2020 extrusion with the included mounting plate. Adjust the angle to get the best performance out of your printer.
To attach it to the mount you'll need an M3 screw and nut.
To attach the mount to your printer you'll need 2 more M3 screws and 2 hammer nuts.
Print these if you don't have hammer nuts.  https://www.thingiverse.com/thing:245103
Optimal mounting position and angle will vary depending on your printer and environment.  Check out the video to get an idea of what you can achieve*.
*Actual performance gains vary greatly.  The most import factor is how well you position it.  Be sure not to exceed the manufacturing tolerances of your printer.