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2021+ Tesla Model S Plaid / Model S - Stainless Steel Sport Brake Line Set
2021+ Tesla Model S Plaid / Model S – Stainless Steel Sport Brake Line Set
$295.00

2021+ Tesla Model S Plaid / Model S – Stainless Steel Sport Brake Line Set

$295.00

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TESLA 2021 MODEL S PLAID BRAKE GUIDE FOR HIGH-PERFORMANCE DRIVING

When the 2021+ Model S Plaid / Model S comes out of the factory, the vehicle is delivered with rubber brake lines. While rubber is a great option from both the carmaker’s and owner’s perspective, as it is durable, resilient, long-lasting, and most importantly, low cost. However, there are some compromises that come with rubber brake lines, including the ability for the rubber lines to expand and contract under hard braking. This expansion leads to a spongy brake pedal feel, which is actually a loss in the braking capability and response that can be felt.

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Product Details Product Details

TESLA 2021 MODEL S PLAID BRAKE GUIDE FOR HIGH-PERFORMANCE DRIVING

When the 2021+ Model S Plaid / Model S comes out of the factory, the vehicle is delivered with rubber brake lines. While rubber is a great option from both the carmaker’s and owner’s perspective, as it is durable, resilient, long-lasting, and most importantly, low cost. However, there are some compromises that come with rubber brake lines, including the ability for the rubber lines to expand and contract under hard braking. This expansion leads to a spongy brake pedal feel, which is actually a loss in the braking capability and response that can be felt.

In turn, to further improve the factory braking capabilities of the 2021+ Model S Plaid / Model S, we’ve developed our Stainless Steel Sport Brake Line Set. For those who demand higher performance and better brake feel from their Model S, this upgrade is something highly recommended. After upgrading to the Stainless Steel Sport Brake Line Set, you’ll notice a firmer and more consistent brake feel during spirited driving. The more-responsive, high accuracy feel will allow for higher confidence and greater precision in braking.

We strongly recommend pairing these upgraded brake lines for your Tesla Model S Plaid or LR with high-temperature racing brake fluid such as Motul RBF 660, PFC RH 665, Endless RF 650, Castrol SRF, or similar racing brake fluids, for maximum performance, as should be done with any brake upgrade.  While these brake lines will function just fine with OEM Dot 4 fluid, the OEM fluid will produce a mushy pedal feel in performance driving conditions, regardless of how stout your brake lines are.

This set includes:

  • 4 stainless steel brake lines tested to 3000+ psi.
  • Laser-cut brackets to replicate the original factory mounting locations and procedures exactly.
  • Crush washers and banjo bolts.

Notes:

  • Customers purchasing our Carbon Ceramic Big Brake Kit aka BFB Kit for the 2021+ Tesla Model S and LR do not need to purchase this brake line kit, as we include these lines with your BBK purchase.
  • Professional installation is recommended.
  • This set replaces the following Tesla PNs:
    • FR LH, BRAKE HOSE, MS, P2 1420723-00-C
    • FR RH, BRAKE HOSE, MS, P2 1420724-00-C
    • LH RR, BRAKE HOSE, MS, P2 1420731-00-C
    • RH RR, BRAKE HOSE, MS, P2 1420732-00-C

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      WHAT OUR CUSTOMERS SAY

      RATED 4.96 (250 REVIEWS)
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      With real reviews from real customers, shop UP products for your Tesla Model S, 3, X, Y and Cybertruck with confidence. Leave reviews and earn up to 2000 UP Rewards points each, redeemable towards exclusive UP Products.

      On the track or not these sway bars make your car feel solid on turns. Immediately I noticed improved corner turns which is great! Highly recommend!
      jesus.ruiz.2389 February 02, 2023
      I installed the Unplugged Performance UP INVINCIBLE® HD Rear Bumper with Hardcore Trailer Hitch Receiver on my Tesla Cybertruck, opting for rear rock sliders and LED flood lights, no swing arms. This thing is a beast! Built from tough A36 steel with a sleek black powder coat, it’s perfect for...
      Tim W. September 28, 2025
      Best bang for your buck upgrade for your Tesla. Unplugged Performance installed these a few months after I got my Model 3 and was an immediate and significant difference. Eliminated body roll and sway in corners and car stays so much flatter. The difference is significant and very noticeable. Such...
      zackfeldstein9 September 23, 2022
      This bumper is awesome for my Cybertruck! It’s built tough with A36 steel, looks killer with the black powder coat, and the optional 11-inch LED lights are super bright. It’s great for off-roading with a better approach angle and hi-lift jack points. Installation was easy with the video guide,...
      Tim W. September 28, 2025
      Dominic Marcu - Racing Driver perfect! with their help I can have the desired setup for the competition car.
      Dominic M. April 12, 2023
      Awe Inspiring! Bought these along with the Unplugged Performance Steel Brake Lines, and the results were unbelievable. Took my 2022 Model 3 Performance to Tesla Corsa with these installed, and the first time I slammed on the brakes into a corner I was impressed. However, the jury was still out on...
      Tesla S. October 19, 2022
      Dominic Marcu - Racing Driver perfect! with their help I can have the desired setup for the competition car.
      Dominic M. April 12, 2023
      My only complaint is the FSD doesn't work with this on, which renders it useless to me.
      Taxxman December 10, 2025
      Beefy design, necessarily. Need the toe arms in conjunction with rear camber arms to dial in toe at the same time, otherwise toe will be out of spec when adding negative rear camber.
      Shimmy October 23, 2024
      I really like this rear sway bar on my 2021 Model S Plaid. On the street it tightens up the car a lot. The car corners "flatter" and "feels" like the car has more grip and inspires confidence. I installed this in my driveway with the rear up on jack stands. It wasn't hard at all. I opted for...
      Jpandes October 13, 2025
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