I'm not sure about the sport package difference but I guess it has to do with the air duct opening behind the fender well.
Originally Posted by PharmmerBen
@rbtamms - Thanks for finding this! Price is quite attractive--I bet it doesn't go much lower even with competition (good thinking). Not sure about quality/fitment, but the seller has amazing feedback. What's different about the LCI with sport package making this bumper not work?