How to get most headroom
Thread Starter
5th Gear
Joined: Mar 2026
Posts: 5
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How to get most headroom
Hi all, converting my '19 C7 GS to a track car. Looking to create the most headroom in the car as possible, but I need sliders. I currently have Sparco seats in the car, with their universal base and sliders. What are some good ways to add headroom? I'm okay with removing interior pieces, the hatch is already gutted. I was thinking of cutting the floor carpet and modify the seat mount to fit lower to the carpet. I was also thinking of gutting the targa panel to get some more space. What else can I do? Are there seat mounts that accept sliders that fit lower? If so, does anyone have photos, examples, etc? Ideally I wanna keep these seat mounts and seats but open to solutions to try and get this to fit better. Also, are there any modules or modifications I can make to the car's ECU that people know work that'll cancel out the errors from the missing seat ECU?
