This CSF all - aluminum radiator is a top - choice for both competitive motorsports and daily driving. Trusted by race teams worldwide, it keeps your Subaru cool under pressure. It's a great upgrade from the OEM plastic/aluminum radiator.
**Fitment**: It fits 2008 - 2021 Subaru WRX and STI, 2005 - 2009 Subaru Legacy, 2005 - 2010 Subaru Outback, 2013 - 2017 Subaru Crosstrek, 2013 - 2015 Subaru XV Crosstrek, and 2009 - 2013 Subaru Forester, all with manual transmission.
**Features**:
- It has a black finish for a high - end stealth look.
- A 1 - row, 31mm high - performance radiator with CSF’s exclusive B - tube technology.
- 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.
- An innovative “Multi - Fit” combo pipe and plug design is included.
- It's a true “drop - in fit” that requires no modifications for installation.
- Each radiator is individually leak and pressure tested.
- Comes with a 2 - year limited manufacturer warranty.
- Undergoes a rigorous testing process including burst pressure, thermal cycle, vibration testing, and salt spray testing during development.






Using this radiator is a breeze. 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.
Here are some important notes: This radiator is designed only for vehicles with manual transmission, so make sure your car matches the fitment details before installing.
For maintenance, it's a good idea to regularly check for any signs of leaks or damage. You can visually inspect the radiator for cracks or loose connections. Also, keep an eye on the coolant level and make sure it's at the appropriate mark. If you notice any issues, it's best to address them right away. With proper use and maintenance, this radiator will serve you well for a long time, thanks to its high - quality construction and the 2 - year limited manufacturer warranty.