No thanks, I'll search Google again if I ever want to cut my floor, add 40 or 50 pounds to my car, throw away 20 or 30 horsepower in increased parasitic loss and build my own transmission with no warranty.
No offense, but I think you're in the wrong hobby... If your wanting a trans that will hold up to 1000 HP, but also a warranty? If you ever came close to building a motor with that much power, the body will twist and shear, without extensive mods, but t those mods surely wouldn't have a warranty.
Besides, you don't have to cut the floor to add OD. Lol 518 or 500.