Garrett 891185-6001 PowerMax Performance Intercooler for 2015-2021 Subaru WR

Vehicle Fitment

• 2015-2021 Subaru WRX (2.0L FA20 Turbo Engine)

Features

• PowerMax™ direct-fit performance intercooler upgrade
• Core approximately 70% larger than factory intercooler
• Optimized end tank design for improved airflow
• Cast aluminum end tanks for durability
• Bar-and-plate core construction for heat management
• Significant intake temp reduction under boost
• Installs using OEM bolts, hoses, and clamps
• Supports higher power targets with proper tuning

Specifications

• Brand: Garrett Motion
• Part Number: 891185-6001
• Intercooler Type: Top-mount air-to-air performance intercooler
• Core Size: ~13" x 4" x 10.2"
• Estimated Max Power Support: Up to 530 HP
• Material: Cast aluminum end tanks with bar-and-plate core
• Installation Format: Direct fit in stock location
• Weight: Performance intercooler weight (varies by core)

Included Components

• 1x Garrett PowerMax™ intercooler core (891185-6001)

Product Description

The Garrett 891185-6001 PowerMax™ Performance Intercooler is engineered as a **direct-fit performance upgrade** for the **2015-2021 Subaru WRX with the 2.0L FA20 turbocharged engine**. With a bar-and-plate core that is about **70 % larger than the stock intercooler**, this intercooler improves charge air cooling efficiency and helps reduce intake air temperatures under boost. A larger, more efficient core also supports **higher performance targets** when paired with proper tuning and supporting modifications such as upgraded fueling and exhaust components.

The optimized end tank design and durable cast aluminum construction help maximize airflow through the intercooler while maintaining strength and thermal efficiency. This unit installs in the **factory location**, letting you reuse the OEM mounting points, hoses, and clamps for a clean installation with minimal modification required. The Garrett intercooler is ideal for WRX owners who want better thermal management, reduced heat soak, and improved performance under sustained boost.

Whether you're tuning for more horsepower or simply looking to improve cooling performance over the factory intercooler, the 891185-6001 intercooler delivers enhanced efficiency and heat rejection for spirited driving or track use. Its design balances durability, performance, and ease of installation.