CSF Radiators

Fits 2008–2015 Subaru Impreza WRX and STI

Part #: 7094B

Overview

The CSF 08-15 Subaru Impreza WRX/STI 1-Row 31mm High-Performance Aluminum Radiator is engineered to deliver superior cooling performance for your high-performance vehicle. Crafted from durable aluminum, this radiator is designed to withstand the rigors of street driving and motorsport environments alike. Whether you're upgrading for enhanced reliability or preparing for track days, this radiator helps maintain optimal engine temperatures, supporting your vehicle’s performance and longevity. This high-performance radiator is ideal for enthusiasts and racers who demand the best in cooling efficiency. Its lightweight construction and advanced design help improve airflow and heat dissipation, ensuring your engine stays cool under demanding conditions. Perfect for high horsepower builds or vehicles subjected to extended spirited driving, this radiator helps prevent overheating and maintains consistent engine operation.

Key Features

This radiator features a 2-Row core with CSF's exclusive B-Tube Technology, which enhances heat transfer capabilities. Constructed from high-quality aluminum, it offers excellent durability and corrosion resistance. The black finish provides a sleek, OEM-like appearance that complements your engine bay. Designed for easy installation, it fits directly into your Subaru Impreza WRX/STI, providing a reliable upgrade over stock units. The radiator’s efficient design helps improve cooling performance without adding unnecessary weight, making it a practical choice for both daily drivers and racing applications.

Construction & Design

Built entirely from high-grade aluminum, this radiator features a 2-Row core with CSF’s proprietary B-Tube Technology, which maximizes heat transfer efficiency. The black anodized finish not only enhances durability but also resists corrosion, ensuring long-lasting performance in demanding conditions. The precision-machined tanks and core design facilitate optimal coolant flow and heat dissipation, supporting your vehicle’s cooling needs during high-stress driving.

Performance & Response

Designed to improve cooling capacity, this radiator helps maintain lower engine temperatures during aggressive driving or racing. Its efficient heat exchange properties support consistent engine response and prevent overheating, especially in high horsepower or track-focused builds. The lightweight aluminum construction also contributes to improved vehicle handling and weight distribution.

Installation & Fitment

This radiator is designed as a direct replacement for the stock unit in 2008-2015 Subaru Impreza WRX and STI models. It installs with minimal modifications, making it suitable for DIY enthusiasts and professional installers alike. Proper fitment ensures optimal performance and cooling efficiency.

What’s Included

The package includes the high-performance aluminum radiator, ready for installation in your Subaru Impreza WRX/STI. Hardware and mounting brackets are included as needed for a straightforward upgrade.

Ideal For

Perfect for Subaru enthusiasts, racers, and anyone seeking to upgrade their vehicle’s cooling system for improved reliability, especially under high-performance conditions or extended spirited driving.