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  1. 20" Inch High efficiency 20" wheels and ~34" tires options (R20 - 285/60 - 275/65 - 285/65 - 295/65)

    Hi Everyone, I just thought I would share our new wheels and quick range test in this thread. https://www.mountainpassperformance.com/product/mpp-mega-terra-rivian-r1t-r1s-forged-wheels/ The wheels are currently available for preorder. We've been able to keep nearly the factory offset which...
  2. Mountain Performance Products L3

    It should also be mentioned that this is one of the things we do as a part of our development. The purpose of our pre-order phase is to get long-term testing running in parallel to confirm there won't be any unexpected side-effects. Lowering links have been used on air-suspension equipped cars...
  3. Mountain Performance Products L3

    Thanks for the great reply. I think that this is a decisive topic and we can all agree that the common aggravating party here is PayPal. For us, this policy has created tension a few times. $8 is not significant but when someone wants to cancel a $3500 order it ends up being over $100 in lost...
  4. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Hey all, I'm very happy to report that we were able to ship out the first batch a few days earlier than we had projected, so those of you who pre-ordered (thank you very much by the way!) should have them any day now! Looking forward to hearing feedback from everyone. In the meantime, here's...
  5. Hi There, from Mountain Pass Performance

    Yes, here you go! And in High:
  6. Hi There, from Mountain Pass Performance

    This post should really wait until tomorrow after we've made a full pre-order page but I'm too excited not to share. Our in-house designed truck wheel - which we've named "MEGA TERRA" (our other wheels for the Tesla Model 3 are named Mega Mesh) - have arrived and they look absolutely stunning...
  7. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Hi Everyone, the installation instructions are here! https://www.mountainpassperformance.com/mpp-rivian-triple-l-ride-height-tuning-instructions/
  8. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Haha, between rock climbing and bass guitar these hands get washed way more than my skin would like! - Jesse
  9. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Hi Everyone, We've sold out of our initial pre-production allocation, thanks to everyone who ordered! The response was overwhelming to be honest! The parts are planned for anodizing next Monday and then engraving on Tuesday. With any luck the kits may be shipping as early as next week to...
  10. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    We placed an order for the R2 with great excitement when it was revealed, so we hope to have one as soon as possible! It took us painfully long to get our R1T here in Canada, but it seems like that was mostly due to a lack of service/delivery facility in Toronto. Hopefully, we will get the R2 at...
  11. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    I don't see why not, although that is most likely a configuration issue with the vehicle. Also you'd need to ensure that this was actually the case by levelling the truck multiple times on a very flat surface. Our truck is often high/low on one side versus the other, but also sometimes level...
  12. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Lol thanks!! And sorry?! I'm not sure if the R1S has as much rake as the R1T does, but rake on an SUV would certainly be worse than rake on a pickup truck! Regarding camp mode leveling, we just tried a number of different combinations and it doesn't seem like the Triple-L's have an effect on...
  13. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Yes absolutely. In an earlier life we ran a performance shop installing aftermarket parts. So we very much understand the need for high-quality clear instructions. In fact, we've already taken photos for our instruction guide, not to worry! Here's our hand model Jesse demonstrating how to pop...
  14. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    This is just needed for cold climates to keep your coffee warm. Ok but really it's used to warm up the OEM ride height sensor links. They are an interesting rubber/plastic matrix and when the end is heated up they become much softer and easier to remove/reinstall from the ball studs.
  15. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Good question! We'll try this out today. Speculating here I would expect the system to rely on the IMU (level sensor) for leveling in camp mode. We'll test this out in the next couple of days with the Triple-L's set to a ridiculous rake angle (like the towing example above) and see how the...
  16. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    ? Conversion to Freedom Units! ? OEM Highest: Front - 22.2 inches Rear - 23.1 inches Triple L's at the highest setting: Front - 23.6 inches Rear - 23.8 inches
  17. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Thanks! This is what we recorded hub to fender: OEM Highest: Front - 566mm Rear - 587mm Triple L's at the highest setting: Front - 601mm Rear - 605mm We did notice a larger-than-usual variation in the ride heights that are achieved at the "highest" setting, so it's possible the system is...
  18. Hi There, from Mountain Pass Performance

    Happy to announce that we've added our first Rivian product to the website! A significant moment for all of us here no doubt, and hopefully the first of many parts! We're currently making a run of 20 kits of these "Triple-L" height adjustment kits for beta testers, if you're interested here's...
  19. **NEW** MPP "Triple-L" Ride Height Adjustment Kit For R1T/R1S - Lower/Lift/Level

    Hi Everyone, I hope this is the right place to post this. As we shared on our Instagram and a little bit in the MPP section on the forum, we've been working on a unique air suspension height adjustment solution for these trucks. If you don't know about us or you haven't heard the MPP name, I...
  20. Hi There, from Mountain Pass Performance

    This is accurate, too accurate.





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