Aluminum Intakes - What are You Running?

Good question about technology improvements since the LD340. The Performer was the next iteration & it had smaller runner CSAs. Edel catching up to the Japs & Europeans...
The runner shape on the Perf changes to trapezoidal through the runner bends because later flow tests revealed this shape is the most efficient [ least amount of flow lost ] in getting air around a bend.
Whether these upgrades make much difference on a running engine could only be determined on a dyno.
If you have a LD340, the difference might be so little as to not warrant spending $$$ on a different intake.