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2015-2021 Subaru WRX
2015-2021 Subaru STI
The Process West Radiator Cover is a functional engine bay upgrade designed to improve cooling efficiency while delivering a clean, purposeful appearance under the bonnet. It helps manage airflow through the engine bay more effectively, supporting more consistent cooling performance under demanding conditions.
Without a proper radiator cover, incoming air can spill into the engine bay rather than being forced through the radiator core. The Process West Radiator Cover addresses this by:
This results in more effective heat exchange and improved thermal control, especially beneficial for:
By optimizing airflow direction, the cover helps support:
Built for long-term reliability and engine bay durability:
This version of the radiator cover is designed for vehicles not using the factory inlet chute, ensuring proper fitment in modified or performance-oriented setups.
Excellent quality at a price you cannot beat. A slight reduction in coolent temps with city driving (3-4 degrees F) but on the highway it makes a difference (apx 10 degrees F). I should mention this is in Phoenix, AZ when it's 105 degrees outside.
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