[tower]

Everything you want to do is easily achieved. A few things of interest:

1. Just because HID's run cooler than incandescents or halogens, that doesn't necessarily mean that they will not melt the lenses/housings. They still get quite hot!

2. Figure out what your use will be (if fog, FORGET HID. If off road or driving, fine.)

3. Legal: No U.S. state mandates DRLs, although some require drivers to operate vehicles with lights on in bad weather.

4. Now that you're past the plug and play stage, your 2 primary issues will be:

1. finding a lamp housing that will comfortably fit in the confines of your valance lamp nest and

2. Ensuring that the attachment pod or bolt can anchor to a hole you drill in the metal bumper while keeping the lamp head centered in the valance nest aimed in the direction you desire. It will require a bit of trial and error. There are some lamps known to fit (e.g. the pricey PIAA you mentioned (600HID, 610HID). And there are known halogens which will fit (e.g. PIAA, Cibie Trango). You may want to take measurements of the housings which fit and extrapolate those to available HID models. Good luck and please keep us posted. Thanks, Jimmy!