yeah, it's giving me a whistle sound that I enjoy.
Thats odd, I thought all the 98-up 3800s had the same box but yours doesn't even have bosses for screw holes. Bonus time saver! You're welcome and enjoy. I wish I had thought of it when I was driving a non-supercharged one.
All Grand Prix, all the time. 69 Model J, 99 GT & GTP coupes. All junk, haha.