Perrin Front Mount Intercooler Core Standard Size Silver 2002-2025 WRX / 2004-2021 STI | 28" x 9.25" x 3.5" Bar & Plate Core | High-Flow Intercooler Core
Overview
The Perrin Front Mount Intercooler Core is a direct-fit upgrade designed specifically for Subaru WRX and WRX STI models from 2002 through 2025. This intercooler core improves charge air cooling efficiency by maximizing airflow through a large 28” by 9.25” by 3.5” bar and plate core. It is ideal for enthusiasts seeking enhanced power delivery and consistent performance without sacrificing reliability or requiring extensive modifications.
Engineered with a robust 3/8” bar and plate construction, this intercooler core offers superior durability compared to traditional tube and fin designs. Perrin’s design philosophy focuses on optimizing airflow and minimizing pressure drop by utilizing the entire bumper opening for maximum cooling potential. The precision-shaped end tanks reduce turbulence and evenly distribute charge air across the core, ensuring efficient heat dissipation and stable boost pressure under demanding driving conditions.
In real-world use, this intercooler core delivers proven gains of 10 to 20+ wheel horsepower at nearly any power level through improved charge air cooling and reduced boost losses. It requires no ECU tuning for safe operation, making it an excellent upgrade for Subaru owners who want immediate performance improvements with the option to tune further for additional gains. This core is a practical and effective solution for WRX and STI drivers looking to improve 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.
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Brand: Perrin Performance
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Product: Front Mount Intercooler Core Standard Size Silver
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Part Number: PSP-ITR-400SL
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Fitment: 2002-2025 WRX, 2004-2021 STI
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Material: Aluminum
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Finish: Silver Powder Coat
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Construction: 3/8” Bar and Plate Core
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Origin: USA
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Core Dimensions: 28” (L) x 9.25” (H) x 3.5” (D)
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Core Volume: 906.5 cubic inches
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Pressure Tested: 50 psi
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Power Gains: +10-20+ Wheel HP
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Tuning Required: No (Recommended for additional gains)
Key Benefits
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Performance: Enhances horsepower and torque by improving charge air cooling and reducing pressure drop for more consistent boost delivery.
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Durability: Bar and plate core construction withstands debris and harsh driving conditions better than traditional tube and fin intercoolers.
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Fitment: Designed to fully utilize the entire bumper opening on WRX and STI models, maximizing airflow and cooling efficiency.
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Reliability: Pressure tested to 50 psi to ensure no boost leaks and consistent performance under demanding conditions.
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Ease of Use: No ECU tuning required for safe installation, allowing immediate power gains with the option to tune for further improvements.
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Quality: Precision-engineered end tanks reduce turbulence and promote even charge air distribution across the core.
What's Included
- 1× Perrin Front Mount Intercooler Core Standard Size Silver
- 1× Perrin logo stencil for custom intercooler branding
- Installation instructions
Installation & Compatibility
Installation of the Perrin Front Mount Intercooler Core is moderately involved and typically requires removal of the front bumper and existing intercooler core. While this core is a direct fit for specified WRX and STI models, professional installation is recommended to ensure proper fitment and sealing. No special tools beyond standard automotive hand tools are necessary. Although ECU tuning is not required for safe operation, it is recommended to maximize power gains if additional modifications are present.
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Professional Installation: Recommended
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Modifications Required: None beyond standard removal and replacement
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Verify Compatibility: Confirm fitment for your specific year and trim level before purchase
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