COBB Radiator Shroud With Alternator Cover Package Black (SUB00008) | Subaru STI 2015-2021

The COBB Radiator Shroud With Alternator Cover Package Black (SUB00008) delivers a clean, cohesive upgrade to the engine bay of your 2015–2021 Subaru STI. Replacing factory plastic components with precision-formed aluminum panels, this package improves radiator airflow efficiency while dramatically enhancing under-hood appearance. The Black powder-coated finish adds a sleek, durable aesthetic that ties the entire bay together.

KEY FEATURES

• Includes both the COBB Radiator Shroud and Alternator Cover for a unified engine bay package
• Improves airflow toward the radiator for more consistent cooling efficiency
• Precision-formed aluminum construction ensures long-lasting durability
• Black powder-coated finish provides corrosion resistance and a premium look
• Cleans up exposed OEM components for a more organized, performance-focused presentation
• Direct bolt-on installation using factory mounting points

TECHNICAL SPECIFICATIONS

• Material: Formed aluminum
• Finish: Black powder-coated surface for strength and visual appeal
• Design Intent: Enhance cooling airflow while improving engine bay aesthetics
• Included Components: Radiator shroud and alternator cover
• Installation: Bolt-on using OEM hardware positions

VEHICLE FITMENT

• Subaru STI 2015–2021

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