Extreme Tuning – Saab 9-5 XT

This is what might be called “extreme tuning”. This is Hsia SAAB 9-5 XT with MapTun customize ECU and engine rebuilding, MapTun Hybird Turbo Garrett GT35R A/R .70 & HKS GT3040 turbine T25 flange A/R 1.01, 1.0bar, 580~600hp.

Result is 520 Hp/537 Nm and Short time peak 560hp!



See in video


The design Process:

On street:

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