C5 seats
C5 seats 
No the seats are not a direct fit and require quite a bit of fabbing to make work. I have c6 seats in my car and my writeup with pics is here its possible and 'm happy in the end. Also here's one for the c5 sport seats... If you were going to do it I'd suggest c6 seats as they are much more comfortable than the c5 seats... I have sat in both and theres a reason why c5 guys switch to the c6 seats.https://ls1tech.com/forums/appearanc...s-writeup.html
https://ls1tech.com/forums/appearanc...camaro-pics.html
The mounting brackets for either seat set differ vastly from fbody's in my writeup I chose to keep the original studs in the floor and not drill any holes so my install is a tad more involved but I suppose it could be done the way the other writeup was done, I just prfer the car to not have holes drilled in i.
https://ls1tech.com/forums/appearanc...camaro-pics.html
The mounting brackets for either seat set differ vastly from fbody's in my writeup I chose to keep the original studs in the floor and not drill any holes so my install is a tad more involved but I suppose it could be done the way the other writeup was done, I just prfer the car to not have holes drilled in i.
