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I have an 05 FXDCI, V&H shortshots, SE High-flow AC, SERT. The MOCO mechanic told me yesterday I do NOT any remapping or calibration if I just want to put a Heavy Breather on it. (the bike was tuned for the pipes and the SE highflow AC when I bought it)
I'm confused and concerned about running too lean and too hot with the increased airflow. On the other hand I don't want to lay out $$ if I don't have to. Is the difference between the High-Flow filter and the SE Heavy Breather very noticable?
IMO, you already have a better breathing intake on it so I don't think you need to change the map or anything right away. It may run leaner, but ride it for awhile and see if you can tell any difference.
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