Marine Power Tip. Gibson Power Tip Marine Mufflers were 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.

• Footnote - J2005 Sound Ordinance Approved.
• Finish - Polished T304 Stainless.
• Dimension - 21 x 7 x 7 in.
• Item Weight - 8 lbs.

• Lay out Mufflers and make sure you have all required tools and parts. Now remove your factory external rubber Exhaust flap. Do not damage or throw away you will re-use it later.
• Now remove your existing Exhaust tips. Make sure you save your old hardware as you will re-use it later to install your new Power Tips.
• Before you tighten down the mufflers check for proper clearance from the swim steps steering bars out drives etc.
• Apply some RTV sealer for your gasket sealing surface. And install the Power Tip Mufflers aligning the existing holes up.
• Now that everything is tight re-install your factory style Exhaust flaps.
• Now that everything is tight re-install your factory style Exhaust flaps.