Yes, I want to order a AEM sri for my 91 civic si. What I wanted to no was which car motor do I want to order for. I have a 1gen B16A. Now do I order for the stock d series that came in the 91 si's, del sol v tec,90-91 Integra or 99-00 Si. 1 last thing. Headers just order for a 90-93 Integra LS or the Gsr ? I want some dc 4-2-1 thanks