This setup will support around 550hp as it sits and 650hp with a bap. 05-09 GT hat modified with a Deatschwerks 300m 340lph pump and fuel system wire upgrade kit which runs 10 gauge wire with relay to the fpdm to support the bigger pump. The DW300M is fully e85 compatible and pump is designed to run up 18volts and has a 3 year warranty from dw. The fuel hat is completely assembled and a direct swap drop in. $325 shipped.