I had the same thing happen to me just a few weeks ago. I had to send my manifold back to Hahn. They did some updates to it and it appears they actually cut a relief in the hole closest to the firewall and put more space between the flanges. Just sent the manifold back to hahn and they took care of it. I would get in touch with Aaron or Bill and see if your manifold has been updated.
Good Luck.
Clear
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Proud owner of Hahn Racecrafts "Soul Food" Solstice and member of TEAM SOLSTICE 2008
Mods- Dynoed at 450HP
- Hahn Turbo Stage IV with valvetrain upgrades
- Clutch Masters Stage IV Clutch
- Hahn High Flow CAT
- Solo Performance Center Dual Exhaust with Norms Fiberglass Diffuser
- Eibach Sportline Springs
- SSBC Big Brake Kit
- Konig Privat 19" Wheels
- Custom Two Tone Paint
- Razzi Wing