WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The APR 370x34mm 6-Piston Front Big Brake Kit is an ultra-high-end braking solution engineered specifically for the Audi 8Y RS3. While the 8Y RS3 is a formidable performance machine, the factory braking system can struggle under the extreme thermal loads of track use or aggressive canyon driving. APR’s system provides the correct brake bias and integrates perfectly with the RS3’s advanced ABS and torque-vectoring stability systems, which is critical for maintaining vehicle control under emergency or limit-braking situations.
The kit features next-generation billet 6-piston calipers that utilize stainless steel pistons to act as a heat shield, protecting your brake fluid from boiling. Paired with 370x34mm 2-piece semi-floating rotors containing 72 curved directional cooling vanes, this system is designed to "out-brake and out-last" the competition. Despite its racing pedigree, the system is optimized for low noise, vibration, and harshness (NVH), making it perfectly suited for a daily-driven RS3.
Key Features:
- 6-Piston Billet Calipers: Lightweight, high-strength billet aluminum construction with stainless steel pistons for superior thermal insulation.
- Advanced 2-Piece Rotors: Large 370x34mm semi-floating discs with 72 curved directional vanes for maximum heat dissipation.
- Tailored for 8Y RS3: Specifically calibrated to work with the 8Y master cylinder and electronics to ensure perfect brake bias.
- Complete Hardware Kit: Includes pre-loaded high-performance street pads, braided stainless steel lines, and billet mounting brackets.
- Thermal Monitoring: Includes Maximum Temperature Recording (MTR) stickers to help you monitor peak temperatures and select the correct pads/fluids.
- NVH Optimized: Engineered to provide professional-level stopping power without the squeal and harshness of a pure race brake setup.
Technical Specifications:
| Specification | Details |
|---|---|
| Caliper Type | 6-Piston Billet Aluminum with Stainless Pistons |
| Rotor Size & Design | 370mm x 34mm / 2-Piece Semi-Floating |
| Brake Lines | Braided Stainless Steel |
| Cooling Technology | 72 Curved Directional Vanes |
| Platform Fitment | Audi 8Y RS3 (2022+) |
Ordering Information:
| Part Number | Caliper Finish |
|---|---|
| BRK00068 | APR Red |
| BRK00069 | APR Grey |
Fitment Note: 18-inch or larger wheels are required to clear the 370mm rotors. Because the 8Y RS3 has specific offset requirements, APR recommends using their provided fitment template to verify spoke clearance prior to installation.
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