B16 turbo stock (evo X turbo twin scroll) at 6 psi 0 - 170 km/h

B16 stock block / head.
3" turbo to tail pipe.
Evo X turbocharger with 0.4 bar actuator.
divided 4-1 2-3 manifold
Tacho reading with 205/45/r17 (7-8% lower reading)
Slight down hill after ~140
BASE TUNE.
Abec777 , Polistrofos , Stavros HONDA

[@stefanofenu1894]

Do you have remapped the ecu for this turbo application?

[@abec666]

Yes its impossible without ecu tunning.