I am ready to order. Orginally I was just going to get the piaa xtreme white h4 fog bulbs. Now I looked at the piaa xtreme force h4 bulbs, which are 4700k compared to 4000k with the whites. What do I do? Some people said the 4000k is no difference and then I see pics and they match perfectly with the stock hids. I have a 04 g35x sedan. I want to change fog bulbs, im ready asap.