coal miner Posted March 22, 2014 Report Share Posted March 22, 2014 I replaced my pacesetters 1 3/4 with ARH 1 7/8. Would the tune need to be tweaked for the extra exhaust flow or is it something that can wait till I finish modding my truck? Quote Link to comment Share on other sites More sharing options...
JC03SS Posted March 22, 2014 Report Share Posted March 22, 2014 I don't think that's a big enough difference to worry about. Quote Link to comment Share on other sites More sharing options...
gcosse05 Posted March 22, 2014 Report Share Posted March 22, 2014 I think after a few miles it'll be ok. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
coal miner Posted March 22, 2014 Author Report Share Posted March 22, 2014 Ok I'll wait on the other mods before I get it tuned. Thanks for the advice guys! Quote Link to comment Share on other sites More sharing options...
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