We made some changes when migrating the site from one AWS account to another, and this resulted in some ill-configured images in various parts of the site. We have fixed the problem. You may need to clear browser cache to fix the issue.
The make your own is from the spectre build your own intake kit. You can buy the parts from autozone. Ive built the G.F.I with my stock air box, better throttle response. Im only N/A.