Originally Posted by Derek11WRX
Well from what I've read you usually want to go custom tune with a catless down pipe because of possible boost creep. I know Cobb has a stage 2 map for it though. Also your car does have to get used to the tune. Mine felt better after driving it for a while. When you reflash it, it erases anything the ecu learned before I believe. Maybe that's all it was haha. Good luck though
thanks bro appreciate it, good luck with your car.