Well, I've run my stage III Hahn way out of calibration and the engine is still holding up nicely. However, I don't set the B.C. beyond 13 psi.

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TEAM SOLSTICE 2008
NASSOA(tm) Founding Member #2
1st 1K #781
DDM Custom Turbo System
DDM Pro-Beam, A-Pillar Pod, PLX gauges
Starlight red I/C pipes and coil cover
GReddy Profec B Boost Controller, HKS BOV
3" Magnaflow cat-free
Werks radiator / Precision billet grilles
Norms vented fenders / GXP Spoiler
Riken Raptor's 255/45/18