If you are seriously a heat freak and you demand a true high heat hose, that will stand up to chemistry as well as heat and pressure, you will pay $5 a foot, but it will last. But I would only run it truck to door or slightly less.
Matt, I don't doubt the dubious heat rating of Ineptune, you can market all you want, but you can't avoid physics.
Thermoplastic hose was made for carpet cleaning, steel braided rubber was not.