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588 Views 2 Replies 3 Participants Last post by  Compcowboy
Has anyone tried Ethos fuel reformulator? Not sure of the specific web site but it is sold on ebay. Is this just another scam? I put this thread here since I have a stock 6.7 and want to know if it will cause problems with the emissions. I know that there are several of you on here that have the experiance and knowledge to determine if the main ingrediant of this will cause problems?

07.5 6.7 Mega SLT 4X stock -MP8 on the way
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