Get the PW one mate..

Put it this way.. by the time you buy the teflon hoses and fittings, a decent surge tank, and have your pump cradle modified with braze on fittings to suit the in-car arrangement, you'll spend 700 bucks or more before you even buy a fuel pump.

For a bit more, you've got the plug and play PW one that mounts UNDER the car, meaning no dangerous leaks in the car should something fail.. and no one will hassle you should you ever have to go over the pits (fuel systems inside car aren't something that the guys at the pits enjoy very much, ask me how I know).

The biggest advantage is that the PW kit has the factory-type fittings so you don't have to modify the pump cradle in the pressure side.. so it means you can reverse the procedure very easily if need be