I need some help on what to do to make my stock ehaust not sound like $hit. If anyone knows the best way to do this please let me know.

I changed my headlights over the HID bulbs but I'm having trouble finding HID bulbs for the foglights. They are something stupid like 9145 or H-10's. A real odd size. I found that the 9005's (not positive on the number) fit it in almost perfectly except they won't twist in right because one of the f...