Subaru OEM Rear Differential Replacement Bushing 02-07 WRX / 04-07 STI | 41322FE040 Day4 They will raise the power

They will raise the power band up to where a larger turbo can use it most efficiently

This kit also deletes the delay valve allowing you to shift quickly and let the clutch immediately engage

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Estimated Horsepower Gain: 6

Includes the head gasket with oil galley orifice

Subaru OEM Rear Differential Replacement Bushing 02-07 WRX / 04-07 STI | 41322FE040 Day4 They will raise the powerProduct Fitment: 2002 2007 Subaru WRX 2004 2007 Subaru STI 41322FE040 BUSHING Assembly Differential Mounting Rear is Part Code 41326A 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