12A Rotary Exhaust Flange – 12mm 304 Stainless Steel

Manufactured from 12mm 304 stainless steel, our 12A rotary exhaust flanges are perfect for fabricators building high-quality naturally aspirated exhaust headers for Mazda 12A rotary engines.

The exhaust ports are sized specifically to accept commonly available 2″ (50.8mm) OD exhaust tube, making header fabrication straightforward without requiring additional machining or modification to the flange.

Each flange is Australian made, individually finished and QC checked by Metal Sculpt for port dimensions and tube fitment before dispatch.

Features

• 12mm 304 stainless steel
• Designed for Mazda 12A rotary engines
• Sized to accept 2″ (50.8mm) OD exhaust tube
• Suitable for custom headers and exhaust fabrication
• Individually finished and QC checked
• Australian made
• Stocked and dispatched from Brisbane, Australia

Developed from our own extensive experience manufacturing rotary exhaust systems, these flanges are designed to provide fabricators with a simple, reliable starting point for high-quality 12A header construction.