Where are you located? Best bet is to go through the tuner that is doing the work, unless you are buying second hand. Check out the for sale forum, you may find a bargain. With a manual & 300kw, you will struggle into the high 12's. Best I could manage with 320kwish (115mph was highest trap speed), was 12.9 @ 113, even with semi's and no wheel spin. The 60 foot is the hardest in a manual. I could only manage 2.19....