Perrin Front Mount Intercooler Core Standard Size - Silver - 2002-2025 WRX, 2004-2021 STI

Perrin Front Mount Intercooler Core Standard Size Silver 2002-2025 WRX / 2004-2021 STI | 28" x 9.25" x 3.5" | High-Flow Bar & Plate Intercooler Core

Overview

The Perrin Front Mount Intercooler Core is a direct-fit upgrade designed specifically for Subaru WRX and WRX STI models spanning 2002 through 2025. This intercooler core enhances charge air cooling efficiency by maximizing airflow through a large, 28” by 9.25” by 3.5” bar and plate core. It is engineered for enthusiasts seeking improved power delivery and consistent performance without compromising reliability or requiring extensive modifications.

Built with a robust 3/8” bar and plate construction, this intercooler core offers superior durability compared to traditional tube and fin designs. Perrin’s engineering focuses on optimizing airflow and minimizing pressure drop by utilizing the entire bumper opening for maximum cooling potential. The end tanks are carefully shaped to reduce turbulence and evenly distribute charge air across the core, ensuring efficient heat dissipation and stable boost pressure under demanding conditions.

Real-world benefits include a proven gain of 10 to 20+ wheel horsepower at nearly any power level, achieved through enhanced charge air cooling and reduced boost losses. The design requires no ECU tuning for safe operation, making it an ideal upgrade for Subaru owners who want immediate performance improvements with the option to tune further for additional gains. This intercooler core is a practical and effective solution for WRX and STI drivers looking to improve their vehicle’s thermal management and power consistency.

Features & Specifications

This Perrin Front Mount Intercooler Core is engineered for Subaru WRX and WRX STI platforms and features a large 28” x 9.25” x 3.5” bar and plate core design. Constructed from durable aluminum, it delivers superior cooling efficiency and pressure drop reduction for Subaru enthusiasts seeking reliable power gains and improved charge air temperatures.

• Brand: Perrin Performance
• Product: Front Mount Intercooler Core Standard Size Silver
• Part Number: PSP-ITR-400SL
• Fitment: 2002-2024 WRX, 2004-2021 STI
• Material: Aluminum
• Finish: Silver Powder Coat
• Construction: 3/8” Bar and Plate Core
• Origin: USA
• Core Dimensions: 28” (L) x 9.25” (H) x 3.5” (D)
• Core Volume: 906.5 cubic inches
• Pressure Tested: 50 psi
• Power Gains: +10-20+ Wheel HP
• Tuning Required: No (Recommended for additional gains)

Key Benefits

• Performance: Increases horsepower and torque by improving charge air cooling and reducing pressure drop.
• Durability: Bar and plate core withstands debris and harsh conditions better than tube and fin designs.
• Fitment: Designed to fully utilize the entire bumper opening for maximum airflow on WRX and STI models.
• Reliability: Pressure tested to 50 psi to ensure no boost leaks and consistent performance.
• Ease of Use: No ECU tuning required for safe installation, allowing immediate power gains.
• Quality: Precision-engineered end tanks eliminate turbulence for efficient charge air distribution.

What's Included

• 1× Perrin Front Mount Intercooler Core Standard Size Silver
• 1× Perrin logo stencil for custom intercooler branding
• Installation instructions