4" Clamp-On Marine Stainless Steel Turn Down Tips (Pair) by Gibson Performance

California SAE J2005 Compliance Certificate Included.

Don't get Busted! Turn down the sound not the HORSEPOWER. With sound laws becoming an apparent issue on waterways all over the U.S. it leaves the doors wide open. Gibson Performance a leader in aftermarket exhaust systems has introduced a line of Marine Mufflers developed for performance boaters that are designed to reduce sound levels to be within the J2005 Sound Ordinance Law, without compromising power.

Gibson Turn Down Tip Clamp-On Marine Mufflers, Turn-Down Tip, 4-in. inlet, 11-in. overall length. Tested with minimal or no power loss. High quality, Stainless construction. OEM style transom or clamp on mount. Utilizes water to dampen the sound. Easy bolt-on installation. The Gibson Marine Mufflers have proven to reduce decibel ranges within and to surpass the 88db limits required by the California SAE J2005 Motorboat Sound Law without compromising power.

Tested up to 1,200 HP with minimal or no power loss1
Polished Stainless Steel
Straight through design
Designed and flow tested to ensure maximum flow
Limited Warranty

The part number for this item is Gibson Performance 310001. 4" Inlet/ 11" Length.