I am looking for HFC version for my S3. Is the AWE version the only one won't throw a CEL without Stage 2 software correction? The reason, I ask this, is that I want the ability to pass my emission test if necessary with software tuning. I do plan to go to Stage 2, but I want the ability to pass emission test without the software as well. Basically, emissions here are no check engine light, visual confirmation of cat, and gas cap leak test. Thanks in advance.
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