Perrin Performance Top Mount Intercooler

Universal Fitment

Part #: PSP-ITR-302SL

Overview

The Perrin Top Mount Intercooler is a high-performance upgrade designed for Subaru WRX STI models from 2008 to 2021. Crafted to enhance your vehicle’s forced induction system, this intercooler features a larger core that improves charge air cooling and reduces restriction, supporting increased horsepower and overall engine efficiency. Whether you're building a street or track-ready Subaru, this intercooler helps maintain cooler intake temperatures, which can lead to more consistent power delivery and improved reliability during demanding driving conditions. Its robust construction and optimized design make it an ideal choice for enthusiasts seeking to maximize their vehicle’s performance potential without sacrificing durability or daily usability.

Key Features

This intercooler is engineered with a focus on maximizing cooling capacity and airflow efficiency. Made from high-quality materials, it features a large cross-sectional core that provides excellent heat dissipation. The design incorporates a precise fit for Subaru WRX STI models, ensuring straightforward installation and reliable operation. Its larger volume—over 660 cubic inches—helps reduce intake charge temps, supporting consistent power output. The core dimensions are 21.87" wide, 7.64" deep, and 3.95" thick, making it one of the most substantial options available for this application. The Perrin intercooler is rated to support well over 600WHP, making it suitable for high-horsepower builds while providing a noticeable increase in response and cooling efficiency.

Construction & Design

The Perrin Top Mount Intercooler features a precision-machined aluminum core with a high-density fin design that promotes optimal heat transfer. Its structural design emphasizes durability and effective airflow, ensuring long-lasting performance even under extreme conditions. The intercooler’s lightweight yet sturdy construction helps maintain vehicle balance and handling characteristics.

Performance & Response

Designed to support increased boost levels, this intercooler helps keep intake temperatures low, which can translate into more consistent horsepower gains and improved throttle response. Its large core volume reduces heat soak during extended driving or high-demand sessions, maintaining optimal charge density and engine efficiency.

Installation & Fitment

Installation is straightforward for those familiar with Subaru performance upgrades. The intercooler is a direct bolt-on replacement for the factory unit, with no modifications required. Proper fitment should be verified against the vehicle’s specific model year and configuration.

What’s Included

The package includes the Perrin Top Mount Intercooler core, mounting brackets, and hardware necessary for installation. Additional accessories or hardware are not typically required.