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 Rear Braided Stainless Steel Brake Lines (BRK00051) are a high-performance, direct-fit upgrade for VW and Audi MQB platform vehicles. By eliminating the factory rubber hoses—which are prone to expansion and "ballooning" under pressure—these lines provide a more immediate and firm pedal feel. The smooth-bore PTFE (Teflon) core, reinforced with 304 stainless steel braiding, ensures that hydraulic pressure is delivered directly to the rear calipers without the mechanical loss found in OEM components.
Engineering excellence is a hallmark of this kit; unlike universal alternatives that rely on potentially leaky adapters, these lines are application-specific for the MQB chassis. Each line is protected by a smoked-clear PVC outer jacket to prevent abrasion against moving suspension parts and is individually pressure tested to 3,000 PSI, ensuring reliability that far exceeds standard street or track operating conditions.
Key Features:
- Firmer Pedal Response: SAE "low-expansion" certified lines provide a more tactile braking experience and reduced pedal travel.
- PTFE Smooth-Bore Core: High-quality Teflon interior resists heat and provides a frictionless path for brake fluid.
- Application-Specific Fittings: Custom lengths and Cr3+ steel connectors eliminate the need for adapters, reducing potential leak points.
- Extreme Durability: Braided 304 stainless steel construction is significantly stronger than factory rubber, resisting ruptures and external damage.
- DOT Compliant: Fully tested and certified to meet FMVSS106 and SAE J1401 safety standards.
- Fluid Compatibility: Engineered to work with DOT 3, 4, 5 (silicone-based), and 5.1 brake fluids.
- Premium Aesthetics: Smoked-clear PVC jacket with red anodized inserts and polished connectors for a high-end look.
Technical Specifications:
| Specification | Details |
|---|---|
| Core Material | Smooth-bore PTFE (Teflon) |
| Reinforcement | Braided 304 Stainless Steel |
| Expansion Rate | 0.07 cc/ft @ 1,000 psi (SAE Low-Expansion) |
| Testing Limit | 3,000 PSI |
| Hardware | Includes Copper Crush Washers |
Hardware Note: Always check your factory brake line connectors and compare them to the APR unit. Some vehicles may utilize different caliper brands (Brembo, TRW, etc.) that require specific connector types.
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