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stefprez's latest activity
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
Shoot me a DM if you'd like a set and I can get your shipping info and we can work out payment. Happy to get a set sent your way!
Monday at 7:22 AM
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
I don't have the Weistec adapters myself, but I think the answer is no. Weistec list that they use M10 bolts, whereas the Mars adapters...
Monday at 7:21 AM
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
Finally got around to designing some mounting brackets to utilize the Mars Accessory Adapters to mount the topper and get them...
Jun 3, 2026
stefprez
reacted to
1civilengr's post
in the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
with
Like
.
I finally got everything installed! I used a 3rd taillight logic module from E-Trailer - it includes a couple of diodes that seem to...
Jun 2, 2026
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
Yes, the console has a message that says something like, "Powered hitch accessories will disable Driver+."
May 28, 2026
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
Keep in mind that any power draw on the trailer harness will unfortunately disable Driver+.
May 27, 2026
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
https://www.rivianforums.com/forum/threads/rooftop-tents-blocking-brake-lights-chmsl.5014/post-640479 I used this post as guidance. I...
May 23, 2026
stefprez
reacted to
Autofitpro's post
in the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
with
Like
.
Yes you will need to remove the existing bolt and use the m10 60mm eyebolt to secure the cap.
Apr 24, 2026
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
That's helpful! I was wondering if I needed to uninstall the tie-down anchors. Thanks!
Apr 24, 2026
stefprez
replied to the thread
Custom Made Rivian R1T Truck Cap Topper (Autofitpro) Group Buy - Interested?
.
@Autofitpro Are you able to provide installation instructions for the mounting straps by chance? The included instruction booklet didn't...
Apr 24, 2026
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