Im gonna need a lot more fuel. Currently I have a 250 lph external and the ffr tank and fuel hat. Is the hat a box stock fox body Mustang hat? If I get a new hat that would fit the Mustang tank, with an in tank 450lph pump, will it swap out, save maybe having to set the pickup depth (which isn't right from ffr consequently)? Reason I ask is I have to either swap or highly modify the hag anyway for a bigger suction like so I I'm gonna swap it, might as well go in tank for the pump.