Catalytic converter repair flanges and mounting hardware kit. Porsche 964 C2 / C4 / RS

Catalytic converter repair flanges and mounting hardware kit

Fits:
Porsche 964 (911) C2 1989-93
Porsche 964 (911) C4 1989-93
Porsche 964 (911) RS 3.6L 1991-93
Porsche 964 (911) RS 3.8L 1991-93

Kit Includes
2 x Catalytic converter / heat exchanger cross over flange
1 x Catalytic converter gasket
1 x Heat exchanger gasket
6 x Heat exchanger to cylinder head seal ring
4 x Heat exchanger barrel nut
16 x Exhaust lock nut
8 x Exhaust bolt M8 x 40

Ninemeister Converter Repair Flange 

Over time, age, heat cycles, and corrosion take their toll on Porsche exhaust systems. A common weak point is the catalytic converter flange, which can corrode and eventually disintegrate. When this happens, it compromises the seal in your exhaust system, leading to exhaust leaks, loss of performance, and increased noise.

The Ninemeister repair flange is a high-quality replacement solution designed specifically to restore your Porsche’s exhaust integrity.

Key Features

• Direct Repair Solution – allows you to remove the corroded flange and re-weld this precision-machined replacement in place.
  
• Durable Construction – built to withstand the extreme heat and corrosive conditions of Porsche exhaust systems.
  
• Restores Exhaust Sealing – eliminates leaks, restores back pressure, and ensures smooth engine performance.
  
• Cost-Effective Repair – no need to replace the entire catalytic converter when only the flange is damaged.
  
• Tailored Fitment – engineered to match Porsche specifications for proper alignment and fit.

Why Replace a Corroded Converter Flange?

• Eliminate Exhaust Leaks – prevent harmful gases from escaping and affecting cabin safety.
  
• Restore Performance – exhaust leaks reduce back pressure, causing poor throttle response and reduced efficiency.
  
• Prevent Further Damage – corrosion at the flange can spread, leading to costly catalytic converter or exhaust system replacements.
  
• Long-Term Reliability – a fresh flange ensures your exhaust remains structurally sound for years to come.

The Ninemeister catalytic converter repair flange provides a reliable, cost-effective fix for corroded catalytic converter flanges, helping you keep your Porsche exhaust system safe, efficient, and true to factory performance.

Section of diagram ref no 1, 3, 4, 5, 6, 7, 8 and 12.

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