here ya go people. I've (along w/ the most of the 3SX community) bought numerous components from APR, including a custom front splitter, among other things, when I had my 3000GT . here's the page for custom making a one-off bumper. Its $340 for a carbon fiber splitter will ALL HARDWARE AND SUPPORTWARE.

APR Performance - Frequently Asked Questions (FAQs)

Their work is top-notch and quality is show-car proud.
Also, if we can enough people to get into it, they do offer group buys at a discounted rate.