Our curated Stage Power Packages take the guesswork out of upgrading your STI. Subaru SF Intake + Airbox Combo STI 2019-2020, Type RA 2018 Subaru SF Airbox STI 2019-2020, Type RA 2018 This combo includes the Subaru factory intake duct from the 2015-2018 STI, allowing for a true bolt-on application. To address this, a combo specific to these vehicles has been created. Subaru’s updated factory air duct that directs air from behind the grill into the airbox of your 2019-2020 STI and 2018 Type RA is not compatible with the COBB SF Airbox.

It’s the last engine management solution you’ll ever need. Follow our staged upgrade path with pre-loaded Off The Shelf (OTS) maps or use custom mapping for any modification level. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. The Accessport is the world’s best selling, most flexible, and easiest to use ECU upgrade solution for your Subaru.

Visit the 2020 Subaru WRX STI Vehicle Page for a full list of compatible parts. Interested in taking your STI beyond the scope of our packages and maps, contact one of our Subaru Protuners for a completely customized tune! The Accessport, bolt-on upgrades, Stage Power Packages, and Off The Shelf Maps make upgrading your STI a straightforward process. Subaru’s newest WRX STI is now completely supported within the COBB ecosystem. By Marshall on 2020 Subaru WRX STI Support

Cobb tuner v2