jovanny Posted July 20, 2013 Report Share Posted July 20, 2013 Thinking of putting a blower on my denali It says its setup for a returnless fuel system what is that? Quote Link to comment Share on other sites More sharing options...
kcsilveradoss Posted July 20, 2013 Report Share Posted July 20, 2013 I believe 04-up were returnless style on the 6.0. Quote Link to comment Share on other sites More sharing options...
Blown 346 Posted July 21, 2013 Report Share Posted July 21, 2013 Agreed, returnless was 04 and up. Quote Link to comment Share on other sites More sharing options...
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