Originally Posted by Stevie28
Are there business's out there that make a custom manifold if asked?
Yes but it would cost an awfull lot of wonger. Now my 156 has a 4-2-1 and I wouldn't mind betting yours has a 4-2-1.
I removed my manifold heat shield to paint and found the 4-2-1 so the heat shield stay'd off
I love the look of 4branch manifolds
Id look at the rest of the system first to see what you can improve before you start looking into manifolds. You might be supprised at how well a free flowing exhaust and induction upgrade will reward you with.
Here is another example of factory over aftermarket. Look at this picture from my cast iron 2.3 Volvo 740, see how badly designed it is and imagin how poorly the gases flow.
Now look at my 16v Saxo VTS with its 4-2-1 manifold.
Your notice the heat wrap which is another topic altogether