Cheapest kit on the market is a comptech kit for 4500 off of ebay, if orderd from comptech its like 4900 without the after cooler, the vortech kit is over 5g's also. Aem ems alone is about 1500 depending on who you know sometimes a little cheaper sometimes more expensive. Then you have tuning time and dyno time which around here is about 100 dollars an hour. you can look at the very least 5 hours of tuning, injectors, fuel pump fuel rail, and the rest of the fuel componets are going to be at least another grand.

Bottom line i dont think you have ever priced aftermarket parts for the s2k, a few prices off the comptech web site Header $1000 CBE $1200. The after market treats these things like mercedes and BMW's not like civics. After i bought mine i quickly found out that every thing for them is high dollar. Somthing to consider for those wanting to buy them and then mod them.