SSi 91.936SSI41 High-Performance Heat Exchanger Set for Porsche 964/993 3.6L Engine Conversions

The SSi 91.936SSI41 is a premium stainless steel heat exchanger set engineered specifically for Porsche 911 chassis (model years 1964-1989) equipped with 964/993 M64 3.6L engine conversions. This high-performance exhaust component is manufactured by SSi (Stainless Steel Innovations), a respected California-based brand known for producing premium Porsche aftermarket exhaust systems.

Key Specifications:

• 41mm inner diameter exhaust collector tubing for enhanced flow capacity
• Heavy-duty 21.5mm thick flat exhaust flanges
• Integrated oxygen sensor bung for proper emissions monitoring
• Primary tubing: 1.50-inch outer diameter (38mm) / 35mm inner diameter
• Constructed from premium stainless steel for durability and corrosion resistance
• Sold as a complete set (left and right sides)

Important Installation Notes:

• Major modifications to engine tin ware are required when installing on 3.6L engines
• Additional cam chain tensioner clearance modification necessary
• Requires a dual inlet muffler for proper fitment
• Professional installation recommended due to modification requirements

This heat exchanger set is designed for high-compression or displacement upgraded engines, providing superior exhaust flow and thermal management compared to stock components. The 41mm collector design offers increased flow capacity for performance-oriented builds.