Ah, that is why I could not find them, they are just rebranded OBX headers:
OBX Exhaust Header Fit for 2009 Nissan 370Z VQ37VHR Long Tube | eBay
Quote:
Qualities:
High Performance Track Proven Quality Headers From OBX Racing Sports
Direct Bolt On Set Up Without Any Modification
Dyno Proven, Increase Low End Torque And Horse Power
Great Throttle Response With Great Sound
CNC Machined 3/8 inch Thick Flange
Dual TIG Weld, High Quality SUS-T304 Stainless Steel For Best Durability
Comes With OBX Life Time Warranty
OBX Genuine Products Design and Quality of OBX U.S.A
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