Subaru OEM Vacuum Hose - Complete STI 2017-2021 | 99081AA610 vendor_SQUARE 01]: Valve Timing Centerline: Base

01]: Valve Timing Centerline: Base Circle: Intake 274° 11

5″ tapered runners and matched cylinder port angles to minimize turbulence and maximize power output

The ETS Intake Heat Shield/Airbox has been designed to isolate the intake from the hot engine bay temps and provide the coldest and most direct intake charge

our Delrin knob is a fraction of the weight of our stainless knob but still has all the functionality

Subaru OEM Vacuum Hose - Complete STI 2017-2021 | 99081AA610 vendor_SQUARE 01]: Valve Timing Centerline: BaseProduct Fitment: 2017 2021 STI 99081AA610 Vacuum Hose Complete is Part Code 99081*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.