Well I basically rounded off all edges and where ever metal meets metal I did my best to make that flush so that air flow is much smoother (which is the whole idea). I have to be honest it is the first time I have done this and I used a dremel with a grinding bit

but I was gental and then I polished it the only way I know how again with the dremel and the polishing tool and I used and Aluminum Polish. you can get that at any automotive body shop supply center.
And if any of you are doing this for the first time I strongly suggest TAKE YOUR TIME!!!!!Be patient and if you get stuck come to the boards there are a lot of people out here that really know what they are doing. That is the only reason I was able to get mine done........Thanks again guys!!!!!!!!!