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The COBB 20G is an ideal turbo upgrade for those looking to increase the top-end power of their STI while maintaining low and mid-range response. Capable of producing 400hp and retaining excellent throttle response, the COBB 20G is a perfect turbocharger for street or track use!
FEATURES
- Single Scroll exhaust housing
- Offset compressor outlet for more room around the throttle by wire connector
- Sleeve bearing turbo with 360 degree thrust bearings with modified oiling strategy for greater thrust capacity
20G Turbine Specs
Compressor
- Inducer: 52.5mm
- Exducer: 68mm
Turbine
- Inducer: 55.8mm
- Exducer: 49.2mm
EMISSIONS - 50 State Legal.
This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number:
| Year Fitments | Subaru STI |
|---|---|
| 2008 | ✓ |
| 2009 | ✓ |
| 2010 | ✓ |
| 2011 | ✓ |
| 2012 | ✓ |
| 2013 | ✓ |
| 2014 | ✓ |
| 2015 | ✓ |
| 2016 | ✓ |
| 2017 | ✓ |
| 2018 | ✓ |
| 2019 | ✓ |
| 2020 | ✓ |
| 2021 | ✓ |
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to P65Warnings
| SKU | E1120G |
|---|---|
| Brand | COBB |
| Product Type | Intake and Exhaust |
| Intake and Exhaust | Turbo and Components |






