12Apr
Update: C63S PURE Turbos Upgrade, added a little ign timing, added meth, 646whp….
Update: C63S PURE Turbos Upgrade, added a little ign timing, added meth, 646whp. Still on 21psi boost! This is shaping up well! Excited to see the race tune with more boost and more track results! @precisiontuning
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