[s2d4]

Originally Posted by stonenewt

Yeah, on the face of it a 35bhp increase isn't huge. However, I would want to do that by raising the torque curve about 20% across the rev range & also get rid of the torque dip rather than shifting more torque to the top end of the rev range. That's much harder gains to get hold of, especially in the lower half of the rev range where the stock exhaust restrictions aren't having huge effects on the power output.

You are looking at the wrong end of the pipes for NA.