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StopTech Products

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StopTech 950.37013 Stainless Steel Brake Line Kit

StopTech
In Stock
9.9 /10
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Updated: Aug 28, 2026
Last update on Aug 28, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API.
The StopTech 950.37013 is a DOT-compliant stainless steel brake line kit that dramatically improves pedal feel and stopping power over stock rubber hoses. It is a highly recommended upgrade for Porsche 911 and Boxster owners looking to eliminate soft brake pedal response for more precise braking.
Pros & Cons

Pros

  • Noticeably firmer brake pedal feel and quicker response
  • High-quality stainless steel and PVC construction prevents dirt intrusion
  • Exact OEM fitment for specific Porsche models
  • DOT approved and fully street legal

Cons

  • Requires a complete brake system bleed after installation
  • Removing old factory fittings can be stubborn and may require penetrating oil
  • Stock length design is not intended for lifted or heavily modified suspensions
Detailed Review

The StopTech 950.37013 Stainless Steel Brake Line Kit is a premium braking upgrade tailored specifically for Porsche 911 (1998 to 2013) and Boxster 986 owners. Over time, factory rubber brake hoses tend to degrade and expand under pressure, leading to a spongy and unresponsive brake pedal. This kit is designed to cure that soft pedal feel by replacing the flexible factory lines with heavy-duty, reinforced alternatives, making it an essential purchase for drivers who demand precision and confidence from their braking system.

At the core of this kit is a tough Teflon inner line that completely resists expansion and will not degrade from exposure to harsh brake fluids. This inner core is wrapped in a tightly woven stainless steel braid that protects against abrasion while maintaining the line's structural integrity. To top it off, StopTech includes a clear PVC outer coating that shields the stainless steel from dirt, muck, and chafing. Each line is strictly tested to 4,500 psi and is fully DOT compliant, ensuring they are perfectly safe and legal for street use.

Real-world performance is where these lines truly shine. Drivers report a night and day difference in stopping power, with quicker, firmer, and far more consistent pedal response. The kit includes all the necessary mounting hardware and crush washers required for a seamless installation. However, buyers should be prepared to perform a full brake system bleed to purge any air after installation. It is also highly recommended to soak your old factory fittings in penetrating oil beforehand to make removal easier.

Overall, the StopTech Stainless Steel Brake Line Kit is a phenomenal, high-quality investment for your Porsche. It delivers high-end build quality, an exact OEM-style fit, and a tangible improvement in driving dynamics. If you want to maximize your stopping power and brake modulation without investing in a massive big brake kit, these stainless steel lines are the perfect starting point.

Specifications

Brand: StopTech

Model: 950.37013

Materials: Teflon inner core, Stainless Steel braid, Clear PVC outer coating

Maximum Pressure: 4500 psi

Compliance: DOT approved for street legal use

Vehicle Fitment: Porsche 911 (1998-2013) and Porsche Boxster 986