Car Enthusiast 1 I like many different variations of cars in all shapes and sizes. I own a 2004 Audi A4 B6 1.8T Quattro.Articles by Car Enthusiast 1Ask Car Throttle 05/12/15What's the difference between headers and manifolds?Ask Car Throttle 22/11/15BMW E46 M3 or Nissan 350Zwhich one would you prefer and why?