is there anyway i can put HID's in my 89 240SX with flip-up headlights

 

Do a projector conversion like clearcorners offers using some Hella (I believe its them who make them) lights, and retrofit some HIDS in there, other than that it will probably be crappy looking.

 

stop by a local body shop or dealer service dept. and ask if they have any damaged headlamps. you can extract the projectors, ballasts, and bulbs and use them with a custom wiring harness. If you could get bixenon projectors that would probably be best. there are a few 4x6 hid retros on s13s on www.hidplanet.com