COBB Top Mount Intercooler Black (B42405-BK) | Subaru WRX 2015-2021

The COBB Top Mount Intercooler Black (B42405-BK) is a high-efficiency intercooler upgrade for the 2015–2021 Subaru WRX, offering increased cooling capacity and improved resistance to heat soak over the factory unit. Finished in a stealth black coating, this standalone TMIC core enhances performance consistency while delivering a clean, OEM-plus appearance under the hood. COBB Charge Pipe Kit is required for installation.

KEY FEATURES

• High-flow intercooler core engineered to improve charge-air cooling on the FA20DIT engine
• Larger internal volume than stock for improved thermal capacity and reduced intake temperatures
• Black heat-resistant coating provides a sleek, low-profile engine bay appearance
• Helps maintain power output during repeated acceleration or high-boost operation
• Direct-fit replacement using factory mounting points and charge-pipe connections
• Suitable for both stock turbo configurations and tuned setups running increased boost

TECHNICAL SPECIFICATIONS

• Aluminum bar-and-plate intercooler core designed for strong heat dissipation and durability
• Optimized fin and passage layout to reduce pressure drop while maximizing cooling
• Black powder-coated exterior finish for added corrosion resistance
• Welded end tanks engineered for precise airflow distribution across the core
• Includes intercooler assembly and required hardware for installation

VEHICLE FITMENT

• Subaru WRX 2015–2021

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.