I understand the concern for QA on the install of the engine mod, but what about supplying the other D vendors with the parts so that they can perform them too if they wanted to? It would be very cost prohibited for someone who, let's say, is in NY to ship there car, or engine, to TX for the mods then have it shipped back. The cost would be WELL over the inital $5,000 to do + the time off from work to drive it down there and back or shipping the engine. I am sure that the other vendors would have the same concerns as Houston would have and they would be able to provide he same quality of work for the same price minus all the shipping charges, driving time/milege. Just a suggestion. Ok, now I am probably going to get a little technical here: Are the headers Mandrel Bent? There is a difference in the bend on a standard bent header and a Mandrel bent one. A standard bent one does not have a uniform inner diameter at the bends where it can restrict the exhaust. A mandrel bent header IS uniform all the way through including the bends, no restrictions at all. Of course it is a little bit more money for Mandrel bends, but not much. Also are they ceramic coated or just bare metal? As you can see I've done my homework on this. Since the first day I got my D and I looked in the engine compartment I got sick just looking at the exhaust system in there. The worst design I have ever seen. How about a Stage 0, meaning someone can just purchase the exhaust system alone to get a few more HP instead of plunking down $5,000 at once? At least this gives the option to a DIY'er (like me :)) to do it. I can understand the QA of the entire engine mod, but any mechanically inclined person can install an exhaust system without damaging the engine. Also if someone did decide to go for the "whole enchalada" later on they already have part of the system. If you did only make an "Exhaust only" kit, it shouldn't be that hard to keep up with the demand for it since you can have a lot of them made and ship them off as a normal stock item. Or take pre-orders to see how many you are going to need. Again just a suggestion. You said one muffler is installed? Unless it was a typo. If it's only one why not two? That would be better performance wise. Now if someone could only come up with a way of putting in Larger (bored out) cylinder sleaves with matching pistons and a performance crank to match, that engine would have a nice KICK to it. ;) I've had allot of people ask me why I would do all of this to a Delorean engine and not just get an old SS, Mustang or just drop a small block into the D and modify that engine. Well that would be to easy since it's been done! I like the challenge...that's what a hobby is suppose to be. Anyone have an old D engine (working or not) they are willing to give away for some "experiments"? Steve (still doing my homework on this) ;)