Reduce rear-subframe movement in an early-production Tesla Model 3 with Mountain Pass Performance MPP.R billet inserts. The upper-and-lower insert design fills the factory rubber-bushing voids to create a more direct connection between the rear suspension, chassis, and driver.
Fitment
- Tesla Model 3 Rear-Wheel Drive, Dual Motor, Performance, and Performance Upgrade Package
- Start of production through December 2021 build dates
Does not fit January 2022 or newer builds, which use a different subframe-bushing design.
Benefits and construction
- Reduces rear-subframe compliance and lateral movement under cornering load
- Improves driver feedback from the rear tires near the limit of grip
- CNC-machined from billet 6061-T6 aluminum
- Anodized for durability and appearance
- Manufactured and assembled in North America
- Bolt-on and reversible
- Three-year warranty
NVH disclosure
The firmer subframe connection can transmit additional noise, vibration, and harshness into the cabin, especially from the rear of the car. MPP describes the increase as slight, but this MPP.R component is intended primarily for track use, aggressive canyon driving, or vehicles with other rear-suspension upgrades.
Installation
The kit uses a laser-marked upper insert and a lower insert at each mounting point. An experienced Model 3 technician can complete installation in approximately one hour by supporting the subframe, working on one fastener at a time, and installing the inserts without removing the full subframe. Professional installation and a post-installation alignment check are recommended.