Intake manifold options for a Magnum 5.9/360
I run the Professional product intake on my 5.9 with Aussie EQ Heads. I gasket matched the intake (minor) and I did have to hog out the intake bolt holes slightly. No issues. I run an LA front with factory AC. I drilled and tapped a boss on the intake for the AC mount.
I purchased another one (Speedmaster) for my future LA build.