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Discussion Starter #1
I am looking at the Screamin Eagle 103 stage II upgrade for my 07 Fatboy. I have Vance and Hines Fuel pak along with vance and hines big radius pipes. When I have this kit installed will I still be able to use my fuel pak or will I need the ecu re mapped? Plus will Head porting make a big difference with this setup or would it just be a waste of money? Thanks.
 
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