The one for the wrx sti worked on my protege5. I got one off ebay for 150 shipped. It came with all the longer bolts and spacers. Only modification I had to make was to make the hole larger for the upper shoulder mounting bolt, otherwise it fit great. Was easy to install.
http://cgi.ebay.com/ebaymotors/02-08-05-SUBARU-WRX-STI-SEATBELT-HARNESS-BAR-SEAT-BELT_W0QQcmdZViewItemQQ_trkparmsZ72Q3a570Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem160292336643QQitemZ160292336643QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories#ht_3982wt_1217
http://cgi.ebay.com/ebaymotors/02-08-05-SUBARU-WRX-STI-SEATBELT-HARNESS-BAR-SEAT-BELT_W0QQcmdZViewItemQQ_trkparmsZ72Q3a570Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem160292336643QQitemZ160292336643QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories#ht_3982wt_1217