So I'm toying with changing the exhaust on my 04 5.7L Hemi QCSB 4X4. I came across a deal on some headers....Basani Ceramic coated SS headers... Does anyone use these or know of any performance gains to be expected? I am inteding on using the OEM high flow Y-Pipe and high flow cats. NOt sure of cat back system as of yet. Suggestions welcome.

Anyone ever use an AEM underdrive pulley on their HEMI?