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- Add-on bump is designed to keep you in place under acceleration for added control
- Add-on bump comes with a self-adhesive backing for easy installation; just peel the backing paper and install to any seat foam, no messy gluing
- Foam material used in the SDG add on bump is the same closed cell foam found in SDG’s entire seat product line-up
- SDG closed-cell foam is water resistant, offers a more consistent density and longer foam life