When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I think the lip kit was a factory option. That's the case for the 2003, at least. So you whether you had NAVI or no NAVI, you could tick the box for the lip kit and pay extra at the dealer.