Subaru OEM Cover Engine Harness Subaru STI 2008-2021 | 24035AA000 Vehicle Model_TSX They are designed to fit

They are designed to fit 2022+ WRX FA24F engine producing 450hp to 600hp with a 48-58mm turbo installed

Have you upgraded to an aftermarket exhaust that doesn't use the exhaust valve

SF Intake System with Black Silicone Hose

Bulb Color: Red

So below is a description of the lines and instructions on how to determine which one you'll need for your application

Subaru OEM Cover Engine Harness Subaru STI 2008-2021 | 24035AA000 Vehicle Model_TSX They are designed to fitProduct Fitment: 2008 2021 Subaru STI Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a WRX at your friends shop, do not expect a warranty claim to come through if it explodes! Please use your best judgement.