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You're gonna need some more air so get that stock air cleaner off soon. Fuel system management is a plus but not a necessity. You are gonna DIG those pipes man!
I would not risk running the bike lean without fuel management....
Remeber, your bike will breath air much better.. the fuel needs to keep up!
They run lean enough from the factory as it is and no matter what anyone tells you.. the stock ECM will not keep up!
I used the V&H Fuel-Pak.... I like the fact that without any internal engine modifications, you just go to their website and select the year model bike, engine, pipes, etc... and it it gives you the numbers you program in with the little buttons on the unit... VERY EASY!
My bike now sounds great, runs better, and runs cooler!!
7 Surprising Harley-Davidson Products that Are Not Motorcycles
Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.
Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.
Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.