So I am using my buddy’s garage, and I’m doing all of the final mods at once, so I don’t have to keep pulling the front fascia off. I have the front end off, as well as the aero panels and intercooler shrouds, and now I’m ready to tackle the challenge before me!
I also now have full 2.5″ coming in to the engine, the intercooler & pipes, as well as going back out through the exhaust.
@jrobmsu (at dodge-dart.org) asked me about the FMIC on Facebook, so I’d thought I would elaborate, as I spent a ton of time doing research on this topic with people who know more about it than myself. First of all, the stock FMIC is 27 X 7 X 2.5, or 337.5 cubic inches. You don’t really want one twice the size, or larger, as others have confirmed that it takes the turbo a lot longer to spool up, and you would lose precious low end torque. On the other hand, the stock IC is pretty weak, so even a third party unit would likely be more efficient at the same size.
There are kits out there, but quite expensive. I put in one from ebay, that is 28 X 7 X 2.5, or 490 cubic inches. IMO – this one is perfect. Perfect fit, good width, and everything connects pretty solid. If you stick with 2.5″ I/O you will have the best possible air flow, but it is tight to fit in there, so you have to massage the hoses to fit them in a bit. I took some images of what I purchased last year, so hopefully, this will help someone else out, too. I didn’t know jack-squat before this car, so I’m learning as I go, as I fix other stuff for a living, so this is very interesting to me.
Here is an example shopping cart from ebay of everything you need, assuming you have 2.5″ IC pipes, such as the DRP. You need two of the 90º couplers, & several clamps. I cut the aluminum pipe in half, one for each side. Remember to put the clamps in a direction where you could access it without the fascia off the car, in case you have to change something later.