V3
IAG Performance carries V3 air oil separator (AOS) replacement parts and conversion kits for Subaru WRX and STI EJ25 and FA20 engines. These parts support servicing, relocating, or converting your V3 AOS system between Street and Competition series setups, including ECU and wiring harness relocation brackets that make turbo and header swaps easier without rerouting your entire AOS plumbing.