ok so what is happening is pi5te is coming down to mine 1st week in may to remove all his air con give the car a flush and service fitt his new pile of goodies and we kno the car is goin to get hit with boost creep so we are going to get it ported too am i right in saving u need to do abuot 2 to 3 mm to help with boost creep and the gate on the ct9 will only take a extra 1mm so it would need a bigger penny/gate/flap if this is the case where can we source a bigger penny/gate/flap from cheers guys and gals