After my remap last sat I got 255bhp, held back by my forge TIP which is why I'm fitting my badger5 this weekend. On my dyno sheet the power curve just stops dead where the TIP can't provide any more air but once that's changed the curve should continue to over 270bhp. Apparently getting the air in is the most important thing for stage 1 and you don't need to worry about exhaust too much until stage 2. The fact i only got 255 with a decat and catback confirms that I suppose