Engineered Marine Products 57-57502 Dry Joint Exhaust Riser 4" 7° Degree

The Engineered Marine Products 57-57502 is a dry joint exhaust riser with a 4" outside diameter and 7° down angle outlet, designed specifically for marine inboard engine exhaust systems. This riser is engineered for MerCruiser GM V6 and V8 engines (305, 350, and 377 cubic inch displacement) equipped with dry joint exhaust manifolds from model years 2002-2004.

Key Features:

• 4" O.D. center rise outlet configuration
• 7° down angle design for proper exhaust flow
• Hot dipped and powder coated for superior corrosion protection
• Precision-engineered replacement for OEM applications
• Cast iron construction for durability in harsh marine environments

Application:

This dry joint riser fits MerCruiser GM V6 and V8 engines with 305, 350, and 377 CID displacement running serial numbers 0M600000 through 0W309999. The dry joint design provides improved sealing and reduced corrosion compared to traditional wet joint exhaust systems, making it ideal for saltwater and freshwater applications.

OEM Cross-Reference:

Replaces MerCruiser part number 864309T02 and other compatible aftermarket equivalents. Designed to meet or exceed OEM specifications for reliable performance and extended service life.

Important Note:

This riser is designed exclusively for dry joint exhaust systems and is not compatible with wet joint applications. Ensure your engine is equipped with a dry joint exhaust manifold before ordering.