exacly, with DD turbo car u wouldnt need to rev to the moon(proper sizeing turbos to engine size). wouldt a turbo d16a6 for example, make the same tq out of boost as a d16a6 with the same money spent on bolt ons? How much tq are you realy gaining with bolt ons with a d16a6 again for example.
http://www.importtuner.com/powerpage..._si/index.html