After lot of enquires Energie Racing Parts made for you all delete kits for the Subaru engines EJ20/EJ25 to remove all faulty sensors and valves.
Perfectly compatible, increase air flow, no cutting required, *might need ECU remap, lifetime warranty.
NRG-EGR-25 EGR delete kit 65€
NRG-APVO Air pump delete kit 2007+ sti 75€
NRG-TGVD-02 Tumble generator valves delete kit 2002-2007 125€
NRG-TGVD-07 Tumble generator valves delete kit 2007+ 100€