CSF High-Performance Radiator Honda Civic Type R (FL5)

The factory cooling system in the FL5 Civic Type R is adequate for daily driving and occasional spirited use—but once tuning or track days enter the picture, the limitations become clear. The CSF High-Performance Radiator addresses those shortcomings with enhanced cooling efficiency, greater durability, and true plug-and-play installation.

Key Features

• Engineered for the Honda Civic Type R (FL5)

• 2-row, 42mm aluminium core for increased coolant capacity and heat dissipation

• Latest 5mm ultra-efficient fins with multi-louvred design to maximise airflow and surface area

• CSF’s exclusive B-Tube Technology for ~15% greater heat transfer compared to traditional tubes

• 100% TIG-welded aluminium construction for superior strength and durability

• CNC-machined brackets and OEM-style inlet/outlet for a direct factory fit

• No cutting or modifications required – true drop-in replacement

• Proven 6–8% reduction in engine coolant temperatures over the stock radiator

Why Choose the CSF Radiator?
Whether you’re running a flash tune or a full big-turbo setup, keeping your engine cool is critical for performance and reliability. The CSF radiator delivers improved thermal efficiency and long-lasting durability, making it ideal for both street-driven and track-prepped builds.

Vehicle Fitment

• Honda Civic Type R (FL5)