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Girodisc Rear Rotors for Audi RS5 B9 (2018-2023) - A2-149, High-Performance Design
$995.00
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If you're looking to upgrade your brakes without diving into a full-on big brake kit, let me tell you about the Girodisc system. It's a direct swap for your factory discs—no fuss, no modifications needed. Just bolt these bad boys right onto your ride, and they’ll fit seamlessly with your OE calipers. The beauty of this setup is that you keep your factory bias intact, which means your ABS will keep working like a charm.

Now, let’s talk materials. The central hat section of these rotors is crafted from U.S. sourced 6061-T6 aircraft aluminum. That’s some serious stuff—lightweight yet incredibly durable. The disc itself is made from a proprietary cast iron that’s poured and machined right here in the USA. You can feel good about supporting local manufacturing while getting a product that’s built to perform.

One of the standout features is the curved vane design. This isn’t just for looks; it’s been developed in the racing world to act like a centrifugal pump, pushing cooling air through the disc. So, whether you’re cruising down the highway or hitting the track, these rotors are designed to keep their cool.

The floating mount system is where things get really interesting. It uses 10 high-strength alloy steel drive pins, all made in the USA to Girodisc's own specs and cadmium plated for corrosion resistance. These pins handle the load during braking while allowing for some axial and radial float between the hat and the disc. This means you get a smoother, quieter ride. Plus, we’ve added anti-noise spring washers to keep any annoying rattles at bay when the rotors are cold. As they heat up, they expand, but you won’t have to deal with that dreaded noise that often comes with floating rotors.

Some quick notes:

  • Once you’ve got the Girodisc system installed, replacing the cast iron rotor when it wears out is a breeze.
  • These are sold and priced per pair, so keep that in mind when shopping.

As for fitment, these rotors are designed specifically for the Audi RS5 from 2016 to 2023. If you own a B9 RS5, you’re in luck with the a2-149 GiroDisc rear rotors.

In short, if you want to enhance your braking performance without going overboard, the Girodisc system is a solid choice. It’s all about keeping it simple while still getting that high-performance edge.

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Vehicle
2016-2023
Audi RS5

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Who is Girodisc?

Girodisc is an aftermarket company that was founded in 2003 in Costa Mesa, California. It specializes in high quality brake components and initially catered to one of the best cars in the world, Ferrari. They later expanded their product offering by offering their products to various vehicle platforms. Today, they have become one of the fastest growing companies in the industry.

Continuous Improvement

As the company continued to grow, they relocated to a bigger facility in Bellingham, WA in a 17,000 square foot facility. It is equipped with the latest manufacturing tool available along with a dedicated rotor casting tool and a brake dynamometer. This helps them ensure that each product that comes out of their facility meets their high standard.

The Best of The Best

Girodisc offers some of the best brake components in the market and is known for its two-piece brake rotors. These are bolt on parts that fit directly on the vehicle. They only use the best material available which helps them create the best products.

Performing As Good As Good As It Looks

Their products are designed to have both form and function. Their rotors are made to improve brake ventilation and its cooling capability. It is also lighter which helps reduce unsprung weight. It comes in a variety of color finishes and slot patterns depending on your preferred style.

Purchase Girodisc Products at Vivid Racing

If you are in search of quality brake components and upgrades for your vehicle, then Girodisc is the brand for you. They have brakes designed for both street and high performance applications. To know more about Girodisc, visit Vivid Racing and check out their list of products that would fit your specific needs.



Purchaser acknowledges the Product is for off-road racing use only. The nature of off road racing involves significant risk, and the conditions under which the Product is used and types of use of the Product are many depending on factors such as installation and use. Due to the inherent risk of the activity in which the Product is used, the Purchaser understands and agrees the Seller provides a limited warranty for the Product, specifically, the warranty is limited to the following specification: less than .0015” runout and less than .0003”disc thickness variation.

If Purchaser provides Seller with written notice of any condition inconsistent with the specification set forth above on or before six (6) months from the date of delivery and complies with the return requirements set forth in Section 6, then Seller will, at its election either:
  • Provide a replacement Product, or
  • Refund the purchase price.
This limited warranty does not cover, and Seller will not pay for, or provide, labor or materials that which may be necessary to remove a Product or install a replacement Product. This warranty is limited to the exchange of the Product or return of the purchase price.

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