Q: What size are the rotors in this rear carbon ceramic kit?
This kit jumps the rear from the small 13-inch stock rotor to a 15-inch carbon-ceramic rotor. The larger effective radius multiplies the torque the brake can apply to slow the car, and the floating disc design adds thermal capacity. It is built to pair with a front big brake kit and high-performance tires so the whole car stops in balance, front to rear.
related FREQUENTLY ASKED QUESTIONS
Find answers to common questions about Unplugged Performance products, services, and policies.
Will these clear the Model Y’s brakes with an off-road tire?
What makes carbon-ceramic worth it over a big iron rotor kit?
Can your shop install this, and what does the job involve?
Iron big brake kit versus carbon-ceramic, which should I buy?
What comes in the box with this front kit?
How does the floating rotor design help on track?
Who is PFC and why build the kit around their rotors?
Will this 6-piston kit clear my wheels?
Does this kit fit every Model 3 and Model Y?
What are the rotor and caliper specs on this iron big brake kit?
Will this rear big brake kit affect my Tesla warranty?
Should I run this rear kit alone or with a front big brake kit?
What brake fluid does this kit require?
Is this a DIY job or something to leave to a shop?
Does carbon-ceramic keep the parking brake and stability control working?
Which brakes do these replacement pads actually fit?
Does this fit a non-Performance Model 3 or Model Y?
Will this rear kit fit under my current wheels?
How much unsprung weight does this actually save?
Do these consumable pads carry a warranty?
Racing compound versus Street & Track, what is the real difference in behavior?
Why does an EV need special brake pads at all?
I have stock Model 3 brakes, can I use these for a friction upgrade?
Do these pads come with rotors, or just the friction material?
Can I just bolt these in, or is there more to a pad change?
How do I know when my UP BBK pads need replacing?
Should I get the Street & Track pads or the Racing/Competition pads?
What brand of friction material am I getting in these replacement pads?
INSTALLATION guide
For the do it yourselfer or trained mechanic, our in-depth installation guides provide step by step detailed instructions on fitting your Tesla with Unplugged Performance Parts.
more FREQUENTLY ASKED QUESTIONS you might find interesting
Find answers to common questions about Unplugged Performance products, services, and policies.
About Unplugged Performance
Aerodynamics
Apparel / Merchandise
Brakes
Custom Orders & Pre-Orders
General questions
WARRANTY QUESTIONS
Did you know that 90% of our customers express concerns about their vehicle warranty.
WHAT OUR CUSTOMERS SAY
RATED 4.96
(422 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.
Just installed the Unplugged Performance Rear Sway Bar on my Cyberbeast in my carport. The instructions were clear and easy to follow, and the bar itself is solid with a perfect fit, everything lined up exactly as it should. I went with the middle setting to start, and even on my first drive I could...
Timmeh!!!!!
July 18, 2026
Spoke to the owner direclty prior to purchase who gave excellent advice on which product to purchase. Tesla suspension specialist EV Garage in Miami referred me to Unplugged and installed the parts upon arrival without issue.
David H.
July 18, 2026
Tesla Model Y Perfect Flush Fitment Kit
RATED 5.0
The Unplugged Performance Model Y Perfect Flush Fitment Kit is indeed PERFECT! I was so pleased with the results of this kit and I even have slightly larger tires than the OEM setup (mine are F: 275/35/21 and R: 295/35/21) and the fitment looks awesome! Kirk at Unplugged Performance was super...
Chris L.
July 16, 2026
Definitely feels better. I may add a front one
Brad R.
July 15, 2026
Installed the moderate lowering springs on my ‘26 AWD Y using the original shocks. The ride is noticeably firmer but still comfortable with the majority of the body roll removed which is what I really wanted. It is still not as stiff as a legacy model Y. Alignment is out of factory spec now as...
Josh
July 11, 2026
Tesla Model Y Perfect Flush Fitment Kit
RATED 5.0
I got this package for my juniper and this product is perfect the cat feels much more balanced and looks more aggressive will recommend it…
Secremusic
July 10, 2026
Wheels came well packaged, fit perfectly, and look awesome on my 2025 Model S Plaid. Highly recommended.
Rafael H.
July 10, 2026
I purchased and had installed the following:
Tesla Model Y Front Lower Lateral Fore & Compliance Aft Arms with Spherical Bushings - Front Lower Compliance Aft Arms
Tesla Model Y Front Lower Lateral Fore & Compliance Aft Arms with Spherical Bushings - Front Lower Lateral Fore Arms
Tesla Model 3 /...
Raymond P.
July 10, 2026
This product was flawless and the clarity in the clear coat was perfect. Customer service was equally fanrastic
Stephen.K
July 07, 2026
This kit gave me the confidence to do part of the WA BDR with some friends (including Bethel Ridge!) with my Model Y Juniper AWD. Pairs really well with 255/55-18 wheels and AT tires for an extra 0.5in clearance. I'd Also really recommend aluminum skid plates and coolant line guards, depending on...
TheCTHman
July 07, 2026
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Unplugged Performance is the world leader in premium performance upgrades for Tesla vehicles. With our USA-made line of stylish and high-performance parts, our sole focus is on holistic development and improvement of all Tesla cars.
Unplugged Performance was founded and incubated by the team behind the world-renowned automotive customizer Bulletproof Automotive. Unplugged Performance is the world's leading company focused on the customization and sports performance of Tesla Motors vehicles.
All of our parts are researched and engineered on our own development vehicles with the intention of improving every aspect of the driving and ownership experience. Unplugged produces an exclusive range of premium upgrades to give a new sporty performance identity to Tesla Model S, Model X, Model 3, Model Y, and the Cybertruck.
Improving on perfection is no easy task, and to do so Unplugged products are professionally designed, prototyped, and manufactured in-house in Hawthorne, CA, and in collaboration with the best motorsports suppliers. The supercar performance of Tesla vehicles meets supercar-grade enhancements with Unplugged Performance.
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