Perrin Front Mount Intercooler Core Large Size Silver 2015-2025 WRX / 2015-2021 STI | 28" x 13.25" x 3.5" | High-Flow Bar and Plate Intercooler Core
Overview
The Perrin Front Mount Intercooler Core is a high-performance upgrade designed specifically for the 2015-2025 Subaru WRX and 2015-2021 Subaru WRX STI. This large-size intercooler core replaces the factory unit to provide superior cooling efficiency and reduced pressure drop, critical for maintaining consistent boost pressure and optimal charge air temperatures. It is ideal for Subaru enthusiasts aiming to increase power output and reliability without sacrificing daily drivability or turbo response.
Engineered with a robust 3/8” bar and plate construction, this intercooler core offers enhanced durability compared to traditional tube and fin designs. Perrin’s design philosophy maximizes airflow by fully utilizing the entire bumper opening, placing the core directly in the path of incoming air. The end tanks feature smooth, gradual tapers to eliminate turbulence and promote even air distribution across the core, ensuring efficient heat dissipation and minimal boost loss.
In real-world use, this intercooler core delivers proven gains of 10 to 20+ wheel horsepower across various power levels without requiring immediate ECU tuning. The improved charge air cooling reduces intake air temperatures, helping to prevent heat soak during spirited driving or track sessions. Pressure tested to 50 psi, it guarantees leak-free performance, making it a reliable upgrade for Subaru owners seeking consistent power delivery and enhanced turbo response.
Features & Specifications
This Perrin Front Mount Intercooler Core is engineered for the 2015-2025 Subaru WRX and 2015-2021 WRX STI, featuring a large 28” x 13.25” x 3.5” bar and plate core. Constructed from high-quality aluminum, it delivers superior cooling capacity and durability for Subaru enthusiasts seeking reliable power gains and efficient charge air cooling.
-
Brand: Perrin Performance
-
Product: Front Mount Intercooler Core Large Size Silver
-
Part Number: PSP-ITR-406SL
-
Fitment: 2015-2021 Subaru WRX STI, 2015-2025 Subaru WRX
-
Material: Aluminum
-
Finish: Silver powder coat
-
Construction: 3/8” Bar and Plate
-
Origin: Made in USA
-
Core Dimensions: 28" (L) x 13.25" (H) x 3.5" (D)
-
Core Volume: 1298.5 cubic inches
-
Pressure Tested: 50 psi leak test
-
Power Gains: +10 to 20+ Wheel HP
-
Tuning Required: No tuning required for stock ECU, recommended for additional power
Key Benefits
-
Performance: Significant horsepower gains through improved charge air cooling and reduced pressure drop
-
Durability: Robust 3/8” bar and plate design resists damage from debris and rocks
-
Fitment: Precisely sized to maximize the entire bumper opening for optimal airflow
-
Quality: Pressure tested to 50 psi to ensure no boost leaks and consistent performance
-
Ease of Use: No ECU recalibration required for stock power levels, allowing straightforward installation
-
Aesthetics: Clean silver finish with included Perrin stencil for custom branding
What's Included
- 1× Perrin Front Mount Intercooler Core Large Size Silver
- 1× Perrin logo stencil for custom paint application
- Installation instructions
Installation & Compatibility
Installation of the Perrin Front Mount Intercooler Core is moderately challenging and generally recommended for those with experience in Subaru modifications or professional installation. It requires removal of the factory intercooler and some bumper components to fit the larger core properly. No special tools beyond standard hand tools are typically needed. This intercooler core is designed to bolt directly into place without modifications, maintaining OEM mounting points and hardware compatibility. While no ECU tuning is required for stock power levels, tuning is recommended to maximize gains if additional supporting modifications are installed.
-
Professional Installation: Recommended for best results
-
Modifications Required: None beyond factory bolt-on fitment
-
Verify Compatibility: Confirm fitment for your specific year and trim level within 2015-2025 WRX and 2015-2021 WRX STI
Shop with confidence at Subimods—your Subaru parts specialists.
