What is the benefit of a 2-piece rotor design?

A 2-piece rotor design, like this one, separates the friction ring from the rotor hat. This allows for better heat management, as the aluminum hat can dissipate heat more effectively than a traditional cast-iron hub. It also significantly reduces unsprung weight, which can improve handling.

What does the T3 slotting pattern do?

The T3 slotting pattern on the friction surface helps to sweep away brake dust and gases that can build up between the pad and rotor. This keeps the braking surface cleaner, leading to more consistent stopping power and preventing glazing.

Can I buy replacement parts for these rotors?

Yes, DBA offers replacement friction rings (flat discs) and hats separately. This means you can reuse the aluminum hats if they are still in good condition and only replace the iron friction rings when they wear out, which can be more cost-effective over time.

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Specifications

Brand: DBA
Part #: DBA53050BLKS-10
UPC: 9316391427069

DBA 2017+ Subaru STi Front Slotted 5000 Series Rotor

Name: DBA 2017+ Subaru STi Front Slotted 5000 Series Rotor
Brand: DBA
SKU: dba-dba-2017-subaru-sti-front-slotted-5000-series-rotor-t14-189062
Price: 835.60 USD
Availability: InStock

$835.60

Only 6 left in stock

Fits 2018-2021 Subaru WRX. DBA 5000 Series 2-piece slotted front brake rotors reduce unsprung weight and improve heat management for better performance.

Key Features

Fits 2018 and 2021 Subaru WRX.
This is a 2-piece direct replacement brake rotor assembly.
Features DBA's T3 bi-directional slot design to help clear dust and gas for improved braking.
The friction ring is made from high-carbon cast iron for optimal performance.
The rotor hat is constructed from aerospace-grade T6061-T6 aluminum, reducing unsprung weight.
NAS (National Aerospace Standards) bolts and crimp nuts securely fasten the two pieces together.

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About this part

Product Details

DBA is known for making serious brake components, and their 5000 Series rotors are a prime example of that. If you're looking to get the most out of your 2018 or 2021 Subaru WRX on the street, track, or rally course, these 2-piece direct replacement rotors are a solid choice. They combine a high-carbon cast-iron friction ring with an aerospace-grade T6061-T6 aluminum hat, bolted together with NAS hardware. This design is all about improving performance where it counts: stopping power and heat management.

The T3 slotting pattern on the iron ring helps clear out dust and gas, which means more consistent braking, especially during hard use. The real advantage of the 5000 Series, though, comes from that aluminum hat. It significantly cuts down on unsprung weight, which can improve your car's handling. Plus, the aluminum hat acts as a heat sink, helping to keep temperatures down by reducing heat transfer from the rotor to the hub. This means your brakes can work harder for longer without fading. You can even replace just the iron rings later on, reusing the aluminum hats for a cost-effective solution down the road.

These rotors are sold individually, so be sure to order a pair for your front axle. They're designed as a direct replacement, meaning they should fit right in place of your stock rotors, but always refer to the manufacturer's installation instructions for specific details.