Gibson Power Curves Turndown Tips Clamp-On

Size Specs: Features a 4-inch inlet and an overall length of 12 inches.

High Horsepower Capability: Tested up to 1,200 HP with minimal or no power loss.

Engineered for Big Power: Specifically designed for large displacement marine engines such as 500HP, 502, 525, 525SC, 575 and beyond.

Premium Build Quality: Constructed from high-quality T304 stainless steel for corrosion resistance and long-lasting durability.

Sound Dampening: Uses water to reduce sound output without the need for internal baffling, maintaining full exhaust flow.

Compliance: Proven to reduce decibel ranges within the California SAE J2005 Motorboat Sound Law (88 dB limit) without compromising performance.

Easy Installation: Simple clamp-on system allows for fast and secure mounting onto existing tips or tailpipes.

Turn Down Design: Routes exhaust flow underwater at idle for effective noise reduction while docked or cruising slowly.

Unrestricted Flow: No internal baffling means no flow restriction, preserving maximum engine performance.

• Product Notes: Must be 3" to 4" below water line, Sold as a pair

• Diameter: 4-inch inlet and an overall length of 12-inches


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• Additional Description: Clamp On, J2005 Sound Ordinance Approved


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• Footnote: Must be 3" to 4" below water line, Sold as a pair


• Warranty: One Year Limited Warranty