Stainless Bros 603-21781-2000 Porsche 992.1 GT3 SS304 Catalytic Outlet Flange

The Stainless Bros 603-21781-2000 is a CNC-machined SS304 stainless steel catalytic outlet flange designed specifically for the Porsche 992.1 GT3. This vehicle-specific flange bolts directly to the V-band outlet on the factory catalytic converter, providing a precision-fit connection point for custom exhaust fabrication and upgrades.

Key Features:

• CNC-machined from premium 304 stainless steel for superior corrosion and heat resistance
• Direct bolt-on fitment to the V-band outlet of the 992.1 GT3 catalytic converter
• Precision CNC construction ensures leak-free sealing and accurate flange alignment
• Designed for professional exhaust fabrication and performance exhaust builds
• Manufactured by Stainless Bros, a leader in performance stainless exhaust fabrication components

Built to the exacting standards Stainless Bros is known for, this catalytic outlet flange is an ideal starting point for performance exhaust system builds on the Porsche 992.1 GT3, delivering OEM-quality fitment with fabricator-grade durability.