well looking for a kb or a whipple will trade steig stage 4 and dynotune dry kit comes with purge kit, window switch, and bottle warmer. blower has like 3k on it after port. it was ported in feb 06. n20 kit i had for about 3 months used a half a bottle. alos will include cash. thanks. the n2o kit is the one for 03/04 cobras.