I know this post was started strictly with the 6th gen ZL1 in mind, but I just wanted to share my experience with the Rotofab on my 5th gen ZL1. After making back to back passes on the dyno with my car bone stock, we installed the Rotofab CAI to see what the gains would be. The car picked up 13 rwhp(I can't remember the torque). I would expect similar gains with the new Z...perhaps more...maybe less. I was able to match my best time with the Rotofab after putting the stock airbox back on. To be fair, though, that time was matched on another day. When doing same day testing, I picked up .15 with the Rotofab, but that was on my best 60' of the day.
I currently have the Rotofab sitting in a box for the new car, I just wanted to get the quickest pass I thought I could run while remaining stock before finally installing it. Now that I've achieved my goal, I may be putting it on sooner than later.
