WHIPPLE W140AX 2.3L Supercharger Kit, Black (2007-2013 GM Truck & SUV 6.2L V8)
[WK-1113]

This vs Magnuson. This put out less bottom to mid range but more top end which what I was looking for. A lot of tuning later, we accomplished my goals. I think the Magnuson would have been an equal choice either way though.