Used to eliminate air pump and related valves found on the 2007 Subaru STI (only).
Blocks off the air injection port at the cylinder head.
Saves weight, reduces complexity, cleans up engine compartment - easier to work on.
Made in USA out of 5mm stainless steel.
Same thickness as stock flanges.
Allows re-using the stock hardware.
Optional stainless hardware available for those who need or want it.
Optional gasket (recommended).
Not emissions legal - "for offroad use only!" Air pump is used only at start-up for a few minutes.
CEL codes will need to be turned off in the ECU - consult your tuner or engine management supplier.
Eliminate all the following virtually-useless parts from your cluttered engine compartment: