Quote:
Originally Posted by FT86OLDMAN
Mass resident here driving a 2019 BRZ. Wondering if anyone has installed a header that didn't throw an error code (perhaps they all do, and the code must be cleared - I don't know) and passed emissions in Mass no problem. If anyone knows of a good header - preferably UEL - that passes with flying colors, please let me know.
I thank everyone in advance!!
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If you don't use a tune, it's going to throw a CEL. As for passing Mass. emissions, I cannot say.