Vehicle Fitment

The PowerStop K7531 brake kit fits:

Audi A4

• 2017-2018 Audi A4 with 338mm front rotors

Audi A4 Allroad

• 2017-2020 Audi A4 Allroad
• 2020 models built before 11/25/2019

Audi A4 Quattro

• 2017-2020 Audi A4 Quattro
• 2020 models built before 11/25/2019

Audi A5 Quattro

• 2018-2020 Audi A5 Quattro
• 2020 models built before 11/25/2019

Audi A5 Sportback

• 2018-2020 Audi A5 Sportback
• 2020 models built before 11/25/2019

Always verify rotor size and production date before ordering.

What’s Included?

PowerStop includes everything needed for a complete front and rear brake upgrade.

Kit Contents

• 2 Front Drilled & Slotted Rotors
• 2 Rear Drilled & Slotted Rotors
• Front Z23 Carbon-Fiber Ceramic Brake Pads
• Rear Z23 Carbon-Fiber Ceramic Brake Pads
• Stainless-Steel Hardware
• Brake Wear Sensor

Unlike many budget brake packages, there is no need to source additional components separately.

What Makes the Z23 Different?

The biggest upgrade over standard replacement brakes is PowerStop’s Z23 carbon-fiber ceramic pad compound.

Benefits of Z23 Pads

• Increased stopping power
• Lower brake dust
• Reduced brake fade
• Improved heat management
• Quiet operation
• Longer service life

For Audi owners who enjoy spirited driving but still commute daily, this balance is exactly what makes the Z23 line popular.

Drilled and Slotted Rotors

One glance at the rotors tells you this isn’t an ordinary replacement kit.

Drilled Rotor Benefits

• Improved cooling
• Better wet-weather performance
• Faster heat dissipation

Slotted Rotor Benefits

• Removes brake dust
• Clears gases from pad surfaces
• Maintains consistent contact
• Improves pedal feel

Together, these features help maintain braking consistency during aggressive driving situations.

Improved Heat Management

Brake performance often declines as temperatures increase.

The K7531 kit combats heat through:

Cooling Features

• Cross-drilled rotor design
• Precision-machined slots
• Carbon-fiber reinforced pad compound
• Improved airflow

This helps reduce brake fade during repeated hard stops, mountain driving, and enthusiastic backroad runs.

Corrosion Protection

Audi owners know how quickly factory rotors can develop surface rust.

PowerStop combats corrosion with:

Silver Zinc Dichromate Coating

• Protects rotor hats
• Shields rotor edges
• Reduces rust buildup
• Improves appearance behind wheels

The result is a cleaner look that lasts much longer than untreated replacement rotors.

Daily Driver Friendly

Some performance brake kits create excessive noise or dust.

Fortunately, the Z23 formula focuses on both performance and comfort.

Everyday Benefits

• Quiet braking
• Low brake dust
• Smooth pedal feel
• OEM-like comfort

You get noticeable braking improvements without making your luxury sedan feel like a track car.

Installation

The K7531 is designed as a direct bolt-on upgrade.

Installation Highlights

• No modifications required
• Includes hardware
• Includes wear sensor
• Factory-style fitment

Most experienced DIY enthusiasts can complete the installation in a single afternoon.

Warranty Coverage

PowerStop backs the K7531 with:

Warranty

• 36 Months
• 36,000 Miles Limited Warranty

This exceeds the coverage offered by many factory replacement brake kits.

Pros and Cons

Pros

• Stronger braking than OE
• Low dust carbon-fiber ceramic pads
• Drilled and slotted rotors included
• Corrosion-resistant rotor coating
• Quiet operation
• Complete front and rear package
• Excellent warranty

Cons

• Higher cost than OE replacement kits
• Rotor appearance may not appeal to purists
• Overkill for extremely light-duty driving

Final Verdict

The PowerStop K7531 Z23 Evolution Sport Brake Kit delivers a meaningful upgrade over factory braking components for Audi A4, A5, and Allroad models.

Its combination of carbon-fiber ceramic brake pads, drilled and slotted rotors, corrosion protection, and daily-driver comfort creates an excellent balance between performance and practicality.

For Audi owners looking to improve stopping power, reduce brake dust, and add a more performance-oriented feel without sacrificing refinement, the K7531 is one of the best brake upgrades available for the platform.