like he said, you will have to drill new holes. the ITR spoiler isnt going to fit or sit in the same exact place as a stock spoiler. just like on my g/fs civic, she had holes from her small spoiler, when i put on the SI spoiler i had to drill new holes because it sat a little farther back on the trunk, and the screws were more inward then towards the edge. should be the same concept on the integra since they are basically the same