ok, this is what i have come up with as a good budget build for my car.

I think that would be close to 350-400hp depending on cam and the heads. Should be good for 13's I'm guessing.

This is a nice little conversion kit, decent performance/price. Could upgrade to a chrome box if needed.

http://store.summitracing.com/partdetail.asp?autofilter=1&part=DCC-3690426&N=700+4294925143+4294839065+400172+115&autoview=sku