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Porsche > Cayman 718C (982C) 2017>> > Cayman GT4 Clubsport > Motorsport and Off-Road >

Brake Hoses Stainless Steel

Braided Brake Line Set. Porsche 987 / 981 / 718 Boxster / Cayman

9M878118

Product Information

9m Braided Brake Lines
Set of four - front and rear

Upgrade your Porsche braking performance with these high-quality 9m braided brake lines, designed in-house by Ninemeister as direct replacements for standard rubber brake hoses.

Fits:

Porsche Boxster 987 2.7L 2005-08/08
Porsche Boxster 987 S 3.2/3.4L 2005-08/08
Porsche Boxster 987 MKII 2.9L 2009-12
Porsche Boxster S 987 MKII 3.4L 2009-12
Porsche Boxster 981 2.7L 2012-16
Porsche Boxster 981 S / GTS 3.4L 2012-16
Porsche Boxster 981 Spyder 3.8L 2016
Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
Porsche Cayman 2.7L 987C 2006-08
Porsche Cayman S 3.4L 987C 2005-08
Porsche Cayman 2.9L 987C MKII 2009-12
Porsche Cayman S / R 3.4L 987C MKII 2009-12
Porsche Cayman 2.7L 981 2013-16
Porsche Cayman S / GTS 3.4L 981 2013-16
Porsche Cayman GT4 3.8L 2015-16
Porsche Cayman 718 2.0L Manual (300 Bhp)
Porsche Cayman 718 2.0L PDK (300 Bhp)
Porsche Cayman S 718 2.5L Manual (350 Bhp)
Porsche Cayman S 718 2.5L PDK (350 Bhp)
Porsche Cayman T 718 2.0L Manual (300 Bhp)
Porsche Cayman T 718 2.0L PDK (300 Bhp)
Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Porsche Cayman GT4 Clubsport
Porsche Cayman GT4 RS Clubsport 2020-2024

Engineered to deliver improved braking response and consistency, these braided lines eliminate the soft, sponge-like pedal feel often associated with ageing or high-load rubber hoses.

Under heavy braking, standard rubber hoses expand due to pressure and heat, leading to reduced braking precision. These 9m brake lines utilise a braided construction with 304-grade stainless steel fittings, ensuring minimal expansion and maximum reliability—even under extreme driving conditions.

Key Features

• Direct replacement for OEM rubber brake hoses
• Suitable for Porsche 987, 981, and 718 models
• Eliminates soft or spongy brake pedal feel
• Braided design reduces hose expansion under pressure
• 304-grade stainless steel fittings for strength and durability
• Designed in-house by Ninemeister

Performance Benefits

Improved Brake Pedal Feel
Delivers a firmer, more responsive pedal.

Consistent Braking Performance
Reduces variation under repeated or heavy braking.

Enhanced Control & Confidence
Ideal for spirited driving and track use.

Increased Durability
Resistant to heat, pressure, and wear compared to rubber hoses.

Why Upgrade to Braided Brake Lines

Standard rubber brake hoses can:

• Expand under pressure
• Cause inconsistent pedal feel
• Reduce braking precision
• Degrade over time

Braided brake lines provide a noticeable upgrade in braking consistency and feedback, especially during performance driving.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9M878118

99635513901

99635513903

99635513904

98735513700

98735563700

98735563701

98735563702

97035513700

97035513701

9A761177500

9Y0611775

99135513701

The product you are viewing cross references to these numbers

Castrol React SRF Racing Brake Fluid - 1ltr.

REACTSRF

Product Information

React SRF Racing Brake Fluid – High Performance Motorsport Fluid 1ltr

React SRF Racing is an ultra high-performance brake fluid engineered for the most demanding driving conditions, including motorsport and high-performance track use. This is Not your standard DOT 4 – much higher spec

With a dry boiling point exceeding 300°C, this advanced brake fluid delivers exceptional resistance to vapour lock, maintaining consistent braking performance even under extreme heat and sustained heavy braking.

Unlike standard brake fluids, React SRF Racing is formulated to retain its high vapour lock resistance throughout its service life, ensuring dependable performance over extended use.

Supplied in a convenient 1 litre bottle, it is the ideal choice for performance enthusiasts, track day drivers, and professional motorsport applications.

Key Features

• Extremely high dry boiling point (over 300°C)
• Outstanding resistance to vapour lock
• Maintains performance throughout service life
• Designed for motorsport and high-performance use
• Suitable for extreme braking conditions
• Supplied in 1 litre bottle

Performance Benefits

Consistent Braking Under Extreme Heat
Maintains braking efficiency even during prolonged track use.

Superior Vapour Lock Resistance
Prevents brake fade in high-temperature conditions.

Long-Lasting Performance
Retains key properties throughout its service life.

Applications

Ideal for:

• Motorsport and racing applications
• Track day vehicles
• High-performance road cars
• Upgraded braking systems

DISPLAYING 1 to 2 (of 2 products)

About Brake Hoses Stainless Steel

Stainless Steel Brake Hoses - Precision Braking for Motorsport & Off-Road Use

Stainless steel brake hoses are engineered to deliver consistent, precise brake pedal feel under extreme conditions encountered in motorsport and off-road driving. Unlike standard rubber hoses, stainless steel braided hoses resist expansion under high pressure, ensuring improved braking response, reliability, and driver confidence.

Available from Design911, stainless steel brake hoses are manufactured to motorsport-grade standards, making them an essential upgrade for track cars, competition vehicles, and demanding off-road applications.

What Do Stainless Steel Brake Hoses Do?

Stainless steel brake hoses transmit hydraulic pressure from the master cylinder to the brakes with minimal flex.

Core Functions:

Maintain consistent brake pressure under heavy braking
Improve pedal feel and modulation
Reduce hose expansion compared to rubber lines
Enhance braking precision and control
Support high-temperature and high-pressure operation

They are a critical component for predictable braking performance.

Why Do Brake Hoses Fail?

Brake hoses operate in harsh environments and are subject to wear over time.

Common Causes of Failure:

Internal degradation or contamination
Damage from debris, abrasion, or improper routing
Fatigue at hose fittings or crimp points
Corrosion of fittings in extreme conditions
Age-related wear or previous over-stressing

Failing hoses can cause soft pedals, leaks, or sudden brake failure.

When Should Stainless Steel Brake Hoses Be Replaced?

Stainless steel brake hoses should be replaced when:

Signs of leakage or fluid seepage are present
Braiding becomes damaged or frayed
Pedal feel becomes inconsistent or spongy
During brake system upgrades or rebuilds
Preparing vehicles for track days or competition

Regular inspection and timely replacement are essential for braking safety.

Highlights

Motorsport-grade stainless steel brake hoses
Improved braking response and pedal feel
Resistant to expansion under high pressure
Suitable for track, race, and off-road vehicles
Designed for durability and safety

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Brake Hoses Stainless Steel

Brake Hoses Stainless Steel