I just received the New Aluminum Intake Manifold  I ordered from Blue Thunder. This is a new Item for them. Exact Copy of the ECZ-B Manifold except it is Aluminum. Not a high Performance One as stated in Listing on Ebay. Just a stock replacement Manifold. Why am I spending Money on a stock Manifold? Couple of Reasons. MUCH Lighter than the Cast Iron One. About 15 Pounds. I expect it will also help with cooling as Aluminum does not retain Heat the way Cast Iron does. I am very impressed with the finishing on this Manifold. Blue Thunder has a pretty good reputation for Quality Products  I think. I have an Aluminum Mummert Valley Pan to go on my Project and now a little more Bling with the Intake.