Project Mu PS Brake Pads

Rear fitment for Subaru WRX STI 2018–2021

Part #: PPR961

Overview

The Project Mu PS Brake Pads are designed to deliver reliable and consistent braking performance for your Subaru WRX STI from 2018 to 2021. Crafted with a focus on street-driven enthusiasts, these brake pads offer a balance of performance, durability, and low dust and noise levels. Whether you're daily driving or spirited canyon carving, these pads help support confident braking with minimal fuss.

Constructed to meet the demands of modern performance vehicles, the PS Brake Pads provide a friction material that ensures smooth engagement and effective stopping power. They are an excellent choice for drivers seeking a high-quality replacement that maintains OEM-like comfort while enhancing overall braking response.

Key Features

The Project Mu PS Brake Pads incorporate several advanced features to optimize your braking experience:

• Compatible with vehicle inspection standards and designed for street use, ensuring reliable performance during daily driving and compliance with safety regulations.
• Made from a non-steel, non-asbestos friction material that reduces dust and noise, providing a cleaner and quieter brake operation.
• Designed to work effectively within rotor temperatures up to 500°F, maintaining consistent friction and stopping power across a wide range of driving conditions.
• Friction coefficient ranging from 0.38 to 0.45, offering a balanced feel that supports confident modulation and pedal feedback.
• Engineered to be compatible with radial tires and larger wheel setups, making them suitable for modified or upgraded wheel configurations.
• Low dust formulation helps keep wheels cleaner, reducing maintenance time and preserving the appearance of your vehicle.
• Less noise during braking, contributing to a more comfortable driving experience without squeals or squeaks.
• Manufactured with high-quality materials and precision craftsmanship to ensure durability and long-lasting performance.

Construction & Design

The Project Mu PS Brake Pads feature a carefully formulated friction material that minimizes noise and dust while providing dependable stopping power. The pads are designed with a non-steel, asbestos-free composition, aligning with modern environmental and safety standards. Their construction ensures even wear and consistent performance over time.

Built to accommodate larger wheels and radial tires, these pads are compatible with a variety of aftermarket and OEM rotor setups. The design emphasizes heat resistance up to 500°F, preventing fade and maintaining braking efficiency during aggressive driving or extended use. The pads' shape and backing plates are engineered for precise fitment, ensuring easy installation and optimal contact with the rotor.

Installation & Fitment

These brake pads are a direct replacement for the rear brakes on Subaru WRX STI models from 2018 to 2021. Installation is straightforward, utilizing factory mounting points and hardware. No special tools or modifications are required, making it a hassle-free upgrade for your vehicle's braking system. As always, it is recommended to inspect and replace rotors if necessary to ensure optimal braking performance.

• Easy bolt-on installation with OEM-compatible fitment
• No cutting, drilling, or special tuning required

What's Included

• Rear Project Mu PS Brake Pads (PPR961)
• Installation hardware (if applicable)
• Instruction manual (if included)

Ideal For

• Street-driven Subaru WRX STI owners seeking improved braking performance
• Enthusiasts who want low dust and noise during daily driving
• Drivers looking for a reliable, high-quality brake pad replacement