CSF 02-07 Subaru Impreza WRX/STI All-Aluminum Radiator - w/ filler neck Button Studs this is the upgrade that

this is the upgrade that keeps the rail supplied and the tuners happy

Proven in championships including M3 Cup

800 rpm in a static test

5 external

and durable for long-lasting performance

CSF 02-07 Subaru Impreza WRX/STI All-Aluminum Radiator - w/ filler neck Button Studs this is the upgrade thatWith over five decades of expertise in radiator manufacturing, CSF stands as a trusted leader in delivering high quality cooling solutions. The CSF 02 07 Subaru Impreza WRX STI All Aluminum Radiator with filler neck exemplifies this legacy, engineered to provide superior cooling performance essential for both street driving and competitive motorsports. This radiator is meticulously designed to meet the rigorous demands of high horsepower applications