Am currently using a standard e3. Wat ive noticed recently is that the boost builds up very slow. I can only feel the "G" at 0.5 bar. Below that, the car feels...
Some image from a R33 and R34 With many carbon fiber parts.
http://www.bee-r.com/main/usedcar/ao33r/274-002.jpg
http://www.bee-r.com/main/usedcar/ao33r/274-003.jpg
http://www.bee-r.com/main/usedcar/ao33r/274-013.jpg...