DBA Rear Cross Drilled & Slotted 4000 XS Series Rotor

Part #: DBA43051XS-10

Overview

The DBA Rear Cross Drilled & Slotted 4000 XS Series Rotor is a high-performance brake component designed to enhance your vehicle’s stopping power and heat dissipation. Crafted for enthusiasts who demand reliable braking performance, these rotors are ideal for Subaru WRX STi owners seeking improved braking response and durability during spirited driving or track use. The combination of cross-drilled and slotted design helps reduce brake fade, improve wet-weather performance, and maintain consistent braking feel under demanding conditions, making them a practical upgrade for both daily driving and performance applications.

Key Features

Designed with precision engineering, these rotors feature high-quality cast iron construction for strength and longevity. The cross-drilled holes facilitate heat dissipation and gas venting, while the slotted surface helps remove debris and brake dust for consistent pad contact. The XS Series is engineered to provide enhanced thermal management, reducing the risk of warping and ensuring reliable performance over time. The slotted design also contributes to improved pad bite and modulation, giving you greater control during braking.

Construction & Design

Manufactured from durable, high-grade cast iron, these rotors are precision-machined to exact specifications. The cross-drilled and slotted pattern is carefully designed to optimize airflow and heat dissipation, supporting consistent braking performance. The robust construction ensures resistance to cracking and warping, even under high-stress conditions, making them suitable for aggressive driving styles.

Installation & Fitment

Installation should be performed by a qualified technician to ensure proper fitment and safety. It is recommended to verify compatibility with your specific vehicle model and brake setup by comparing measurements or consulting the DBA Part Finder tool. Proper bedding-in of the rotors and pads is essential to maximize performance and lifespan.

What’s Included

This product includes a pair of rear rotors, designed to replace your existing rear brake discs. Hardware and additional components are not included and should be transferred from your original setup or purchased separately if needed.

Upgrade your Subaru WRX STi’s braking system with the DBA 4000 XS Series Rotors for improved heat management, reduced brake fade, and enhanced stopping power. Designed for durability and performance, these rotors are an excellent choice for drivers seeking reliable, high-quality braking components that support spirited driving and track days.