Thank you for the advice, will do.This is the only leveling kit I am aware of for the '04 TB EXT:
It's the one I put on my '04 TB EXT. The real issue with running bigger tires on these vehicles is not lift height, it's that top of the tire will hit the top of the steering knuckle/ball joint. Stock tires have about 1/2" clearance, and the distance from the middle of the hub to the steering knuckle is fixed, so there's no way to increase that. If you want to run larger tires you need to run wheel spacers to move the tire out so it won't hit the steering knuckle.