CSF 08-15 Subaru Impreza WRX/STI 1-Row 31mm High-Performance Aluminum Radiator - Black Air Intake Systems>Scoops & Snorkels 5" diameter into dual 2"

5" diameter into dual 2" split rear Cat-Back™ system delivers the classic S-Type sound with no drone inside the vehicle

quick connect coupling

supercharged or nitrous applications where additional fuel is required to prevent lean out conditions and engine damage

Crafted from durable 4420D ripstop polyester oxford fabric

409 stainless steel tubing eliminates the primary resonator to increase flow and "turn-up" your exhaust tone with an improved sound

CSF 08-15 Subaru Impreza WRX/STI 1-Row 31mm High-Performance Aluminum Radiator - Black Air Intake Systems>Scoops & Snorkels 5" diameter into dual 2"CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX STI running at its best, a CSF High Performance All Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2 Row