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BMW 3-Series (E90 E92) Forum
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MHD flash Emissions help
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| 07-22-2020, 12:14 AM | #1 |
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Second Lieutenant
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Rep 264
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MHD flash Emissions help
so I have catless downpipes and MHD flash. I was wondering if it's possible to pass emissions with catless downpipes on with mhd flash.
I live in NewJersey. I can have 1 not ready. Thanks |
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