Michale,
The pipes will fit as long as they are correct for your model. If you decide to go with them, you'll have to have your on board computer re-mapped. The "ci" in the model nomenclature means that it's electronically fuel injected. The on board computer will compensate the air / fuel mixture for variances in altitude, but when you slap on those new pipes it's a whole new ball game.
The new pipes have less back pressure because they have little or no baffling. This allows the exhaust gasses to leave the combustion chamber quicker, allowing the engine to run leaner, which equates to hotter. If you don't have your on board computer re-mapped to run richer, your new pipes will turn blue in short order and there's a good possibility that you'll develop a hot spot in your cylinder.
While you're at it I would highly recommend installing a high flow air filter at the same time. This way you'll have the sound and a few more ponies to boot. The good thing is, you'll only have to have the on board computer re-mapped once.
If you have a lap top computer you can purchase the software for re-mapping your on board computer from your local Harley Davidson dealer. Personally, I'd let them do it because, they usually throw in a dyno test in for free to validate their work.
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