I received my gloss carbon fiber Jupiter rear spoiler from RPM and just finished installing it. Here are some photos immediately after mounting:
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And here are some final photos a couple of days later after I removed the tape:
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I'm very happy with it. However, in the RPM installation video they show 5 pieces of 3M tape: 3 long ones, and 2 short ones at the ends. But that was using the old "solid" design for the spoiler. The spoiler that I received is the new design that is hollow on the underside. So I only had 2 long pieces of tape.
My only complaint is that there is a gap on the underside one the left (about 6-inches from the end) where the tape isn't quite mating to the car. Not sure if it is the spoiler's fault or the car's fault -- the curve of the spoiler doesn't exactly match the curve of my 2021 MYLR. When mounting, I pushed hard but couldn't get that gap to close. At some point I may try to fill the gap with some
JB Weld. The gap is a couple of millimeters on the left underside and the tape isn't engaging with the trunk there. The right side doesn't have that gap. I don't have the problems on the ends that some folks report; I had specifically applied pressure and blue tape there to prevent those problems.
Scott
Edit: the thread for the RPM spoiler on the Model S also reports a gap.
https://teslamotorsclub.com/tmc/threads/rpm-tesla-updated-carbon-fiber-spoiler.266201/. So it looks like the gap is RPM's fault. The thread recommends RTV silicone.
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MYLR | Red ext | White int | 19" | 5 seats | tow | no FSD | made/delivered Oct 2021