well, about the toda header, I only see high numbers when it is on a Type_R itself, maybe because of the fine tuning, here check this link out :
1)http://bob123e.tripod.com/thegreatheadertest/

2)https://www.honda-acura.net/forums/s...hreadid=108993

3)www.inlinefour.com

Inline four has a lot of JUN, TODA, and SPOON parts for your integ.