Have a 03 fatboy fuel injected with stage one,screaming eagle 2 slipons and considering vance & hines big radius.will i need to remap bike.
Thanks,Ricky
Here We Go Agian, I Think That Topic Was Just In The Forum. So If You Don't Get A Reply From Someone Who Knows, Not Me You Might Try Going Through Some Past, Recent Threads. They Were Just Talking About Maping. Sorry I Couldn't Help Good Luck!
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Do a search on Power Commander, HRT etc. There are a lot of posts covering the subject.
In a nutshell? Yes. Use a PCIII-USB or HRT. We do not recommend the fuel pack since you would have to flash the ECM back to stock and you can only use V&H products with limited engine mods.
You Might Try Going Through Some Past, Recent Threads. They Were Just Talking About Maping. Sorry I Couldn't Help 
Good Luck!
