Top Speed McLaren MP4-12C R&D project

Follow up Blog on our McLaren MP4-12C R&D project
Currently with Turbo Down Pipes (200 Cell HFC or Straight), X-Pipe and Straight Pipe Exhaust set up + M-Engineering ECU Tuning.
Here are new updates Dyno results of this project with ECU Tuned.
Factory Base Line Dyno 439 whp with 370ft/tq
Top Speed Pro-1 200 Cell HFC Turbo Down Pipes and Straight Pipe Exhaust with Factory ECU:
547.25 whp with 453.8 ft/tq
200 Cell HFC Turbo Down Pipes and Straight Pipe Exhaust alone achieved 108.25hp with 83.8 ft/tq gain.