Air Filters - Drop In

CSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps.This Part...

CSF 08+ Subaru Impreza WRX/STI 2-Row 42mm High-Performance Aluminum Radiator   Now Also Available in BLACK!!

CSF 08-15 Subaru Impreza WRX/STI 1-Row 31mm High-Performance Aluminum Radiator

CSF 12-16 Subaru Impreza 2.0L OEM Plastic Radiator

Killer B 02-07 Subaru WRX/STi Performance Radiator

Killer B 00-07 Subaru Impreza (GD) Low Mount Performance Radiator

Killer B 08-14 Subaru WRX/STi Performance Radiator

Killer B 2015+ Subaru WRX Performance Radiator

Get it all from CSF! With over 3000 models to chose from, CSF's coverage is second to none.When you choose CSF, you are dealing directly with the manufacturer, not a broker or an importer. CSF's factories are ISO certified, and are OE suppliers to many...

Get it all from CSF! With over 3000 models to chose from, CSF's coverage is second to none.When you choose CSF, you are dealing directly with the manufacturer, not a broker or an importer. CSF's factories are ISO certified, and are OE suppliers to many...

CSF manufactures high-quality aluminum racing radiators for those of you looking for a great solution over your leaking or warped OEM unit. These are TIG welded from military-grade aluminum and are engineered to OEM specs. This means that it’s a...

CSF racing radiators feature the most advanced and efficient radiator cores in the industry. Offered for both vehicle-specific and universal applications, they use innovative tube and fin technologies with industry-leading testing methods to maximize...