RAM Dealer told me I need a new "downstream NOX sensor ".
I purchased the MM3 with DEF and EGR delete.
Will I need the NOX sensor any more going with a 4" straight pipe?
RAM Dealer told me I need a new "downstream NOX sensor ".
I purchased the MM3 with DEF and EGR delete.
Will I need the NOX sensor any more going with a 4" straight pipe?
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