Thread: HFC Downpipe questions
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      06-02-2013, 09:48 AM   #7
mikew2069
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Originally Posted by tdizzle View Post
The reason I was thinking about going HFC was for perhaps being able to pass emissions and no CEL, but if they're both an issue, not sure what the advantage of HFC over catless is.
Smell and the black soot buildup
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