I'd like to know what you have been working with. Those cars are pretty adjustable. i know where he runs also and I don't understand his difficulty. Take mab475's offer he knows what to do!!!
Make sure you have your shock mt on the birdcage at the highest location and use at least a 1" shock extension. You def. don't want to overextend the shock and damage it!
For fit and price I would say the 2 pc. set-up is the way to go. For performance the only advantage I see is the ability to have a more durable dropped shock mt. on the RF.
What mab said or another choice would be to go through a local dealer that would work with you to tailor a good package to suit
your car and track needs. Where are you located?
By far the MD3 is the best nose to install with better fit and finish! I have installed several hundred noses over the years from several different manufactures. If you are installing the MD3 valance...