Subaru OEM Spring Seat (Front) WRX / STI 2002-2007 | 20323FA000 Supra_2020-2023 This version is designed with

This version is designed with a reverse throttle body layout

Much smoother on the inside and with more gradual bends toward the turbo than stock for less restriction

This is our most popular oil change kit for the 2022 and 2023 WRX

Part Number: HB180N

Subaru OEM Spring Seat (Front) WRX / STI 2002-2007 | 20323FA000 Supra_2020-2023 This version is designed withProduct Fitment: 2002 2007 Subaru WRX 2004 2007 Subaru STI 20323FA000 Spring Seat Upper Front is Part Code 20323 in the diagram 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.