[Jac Mac]

Bill this pic shows the Daytona type Twin exhaust per side, but if you look closely you can see the two pipes from the tri-y headers under the car going forward to the engine. Only two FIA cars used this system, all others used the single side pipe, but I believe the actual headers were all tri-y configuration. If you intend building tri-y headers there are several Daytona Coupe pics to show the correct pipe sequence, but you will need to design your own to suit your chassis as Daytona engine sits lower & more rearward in the chassis.

Damn, I don't know how the pic ended up being so large, Ive never been able to do that before!
PS, bear in mind most original FIA cars actually have quite high ground clearance/ride height