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G8X / S58

3.0L Inline-6, Twin-Turbocharged

Stock 420–450 WHP
Stage 1
Stage 1: Tune Package
The gateway. A tune alone wakes the S58 up in a way you won't believe.
Fuel Est. WHP
93 Octane500–530
E30550–580
E50600–630
E70+600–630
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Install: 1–2 hours
Stage 2
Stage 2: Bolt-On Performance
Breathe free. Downpipes and intake unleash what the tune needs.
Fuel Est. WHP
93 Octane550–580
E30620–660
E50700–740
E70+700–740
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Install: 1–2 days
Stage 3
FBO Package: Full Bolt-On
The sweet spot. 700+ wheel horsepower on stock turbos. Daily drivable.
Fuel Est. WHP
93 Octane580–600
E30650–700
E50710–750
E70+710–750
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Install: 2–3 days
Stage 4
Stage 3: Upgraded Turbos
Beyond stock turbos. For the customer who wants to run 9s.
Fuel Est. WHP
93 Octane700–750
E30780–850
E50850–900
E70+850–900
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Install: 3–5 days

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