Hi, 

I was after some reviews on these pipes  from anyone  who may have installed them  “Cobra Speedster Slashdown” as I am thinking of installing them on my Deluxe.. 

http://www.cruisercustomizing.com/cobra-speedster-slashdown-chrome-harley-davidson-softail-models-12-and-newer/part/BLV6852

Also

Thoughts on Vance & Hines Throttlepak Management System  http://www.jpcycles.com/product/561-188