I wanted to get a little better ventilation of the engine bay on my car so when a group purchase for Sport Quattro replica hoods came up on the Audifans mailing list a few months back I decided to buy one. The hood is made by a company in Germany called SGI. Here is a page from their website for the hood I wound up with.

The cost of the hood delivered to my door wound up close to $800. Bear in mind that the hood comes unpainted and the vents are NOT cut out (except for the 3 large vents in the front). I set to work using a cutoff wheel to carve out the vents, then I used an air file to smooth out the holes. I then sent the hood out to a body shop for a painting and a little bondo to fix areas where I had made some ugly cuts. $700 later (ouch!) and it looked pretty good. For the grille work in the front, I used expanded metal that you can get at home depot cut and bent into shape to fit the openings. I then used two part epoxy to fix the grilles in place.

There were a few other unexpected (and unwanted) surprises about the hood. For some reason, the stock hood catches were not long enough to properly latch the hood to the car (even when the adjusting screwes were all the way out). I had to modify the spring catches so that they would be long enough to reach. Also, the hood seemed to rub against the black plastic cover that goes over the climate control box more than it should have. I suspect that when they molded the hood it may have been made to accomodate either a real sport quattro engine bay (which probably would not have had the longer AC ready climate control box) or perhaps the engine bay of a European right hand drive car. In any event, I was able to reduce the rubbing to an acceptable level by removing the air diaphram that controls the recirculation flap on the climate control box (my car doesn't have AC anyway).

But wait, there's more! The hood comes with a metal tab fixed to the front of the hood, so you have to drill a hole to accomodate the latch. On my car I made a safety cable using a cotter pin assembly as I didn't have room for the stock safety latch system given the front mount intercooler I installed.

Another important note for those who might want to use this hood on a stock 4000/Coupe. It is a good thing I'm running EFI, because looking at the clearance over the area normally occupied by the CIS flow plate, it looks as though it might not even fit those cars equipped with the CIS fuel system. I think I can remember a few months ago reading about similar difficulties from someone who bought this hood for use on a coupe. I guess it can be made to work, just be aware that it is likely not a bolt on modification.

Pictures here.