20 LS INTAKES-FULL DYNO RESULTS-WHO WORKS BEST? WE TEST THEM ALL, STOCK MANIFOLDS, LONG-RUNNER, SHORT-RUNNER, EFI & CARB! How did your favorite do on our modified 6.0L test motor? which is the most powerful factory intake? What about long-runner, aluminum intakes? Who does it best-Fast LSXR or MSD Atomic? Edelbrock Pro Flow vs Hi Ram, battle of the big boys! It's All Here!