Description
STI 04-21 is the perfect addition for those needing extra clearance under the intake manifold
Tomei’s race-spec valves are designed to withstand the extreme temperatures and stress associated with aggressive camshaft profiles
SAE Viscosity Grade (Motor Oil) 15W40
providing a solid and direct shift feel
E751SCC000
Subaru OEM Vacuum Hose Assembly WRX 2017-2021 | 99031AA031 vendor_SQUARE STI 04-21 is the perfectProduct Fitment: 2017 2021 Subaru WRX 99031AA031 Vacuum Hose is Part Code 99031*B 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.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy






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