This CSF all - aluminum radiator is a top - choice in competitive motorsports, trusted by race teams globally to keep cars cool. It's also an excellent option for daily drivers, a significant upgrade from the OEM plastic/aluminum radiator.
**Fitment**: Fits 2008 - 2021 Subaru WRX (Manual Transmission), 2008 - 2021 Subaru STI (Manual Transmission), 2005 - 2009 Subaru Legacy (Manual Transmission), 2005 - 2010 Subaru Outback (Manual Transmission), 2013 - 2017 Subaru Crosstrek (Manual Transmission), 2013 - 2015 Subaru XV Crosstrek (Manual Transmission), and 2009 - 2013 Subaru Forester (Manual Transmission).
**Features**:
- Has a black finish for a high - end stealth look.
- A 1 - Row, 31mm high - performance radiator with CSF’s exclusive B - Tube Technology.
- Core features ultra - efficient 6.5mm tall fins with a multi - louvered design for maximum surface area contact.
- 100% all - aluminum TIG - welded construction and CNC machined mounting brackets.
- Comes with an innovative “Multi - Fit” combo pipe and plug design.
- It's a true “drop - in fit” that requires no modifications for installation.
- Each unit is individually leak and pressure tested.
- Only for the manual transmission vehicles mentioned above.
- Backed by a 2 - year limited manufacturer warranty.
- All CSF high - performance radiators go through a rigorous testing process during development, including burst pressure, thermal cycle, vibration testing, and salt spray testing.






Using your CSF high - performance radiator is easy. Since it's a true 'drop - in fit', you can install it without making any modifications to your vehicle. Just follow the standard radiator installation steps.
When using the radiator, make sure your vehicle is a manual transmission model within the specified fitment years. If your vehicle doesn't match these details, this radiator won't work properly.
For maintenance, check the radiator regularly for any signs of leaks. The radiator has been individually leak and pressure tested, but it's still a good idea to keep an eye on it. You can also clean the radiator fins gently to ensure maximum surface area contact for efficient cooling.
Remember, this radiator comes with a 2 - year limited manufacturer warranty. If you encounter any problems, reach out to the manufacturer for assistance.