well in terms of getting it running, it's the same costs, barring the equip. One more reason it may cost is some people may not have experience with tuning a s/c meaning you may have to go to an experienced tuner. Also, you cant turn down the boost if you have a problem because if you want to turn the boost up you have to change the pulley size... meaning more labour. For s/c you NEED to get everything in one shot because if you dont have enough fuel, your engine goes lean and boom.. lol.. turbo ftw
