MJ Marine Exhaust
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Our designs aim to avoid creating back pressure in the engine by mixing water and gas optimally. Drawing from your engine's specifications, our custom exhaust parts are ready for installation upon delivery. MJ Marine Exhaust Systems is an industry leader in custom marine parts in the Pacific Northwest.

We're a family-run business based in Ferndale, WA, and have been supplying custom pipes and exhaust parts for boaters for over __ years. MJ Marine Exhaust Systems has worked diligently to develop an outstanding reputation as a custom marine parts manufacturer and retailer. Our customers' trust and loyalty fuels our mission to become your #1 choice for custom marine parts by offering you competitive prices for top-shelf custom parts and products.
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Founded as Unicraft Marine Products by Bob Moors, MJ Marine Exhaust Systems has over 20 years of experience in providing marine exhaust systems. We continue to build, promote and sell our own line of high-quality exhaust systems. As conditions tighten in the Marine Industry, it will be necessary to cut costs and keep inventories under control.
MJ Marine specializes in custom orders. Formerly UNICRAFT Marine Products, LLC, MJ Marine remains flexible in meeting and exceeding the customer's needs. A custom manufacturer of almost any fiberglass item you can think of, MJ Marine specializes in Custom Bow Thrusters, Custom Marine Mufflers and Custom Wet Exhaust Systems.
MJ Marine's bow thruster tubing is a perfect fit for boat manufacturers and ship outfitters. The custom made bow thruster tubing fits on the bows of cruisers, work boats, sport boats, luxury yachts, pontoon boats, catamarans, trawlers and more.

Bow thrusters are devices that can make a ship or boat more maneuverable and make docking easier, since they allow the captain to turn the vessel to port or starboard without using the main propulsion system.Large vessels usually have one or more thrusters built into the bow, below the waterline, while boats from 30 to 80 feet may have an externally mounted bow thruster attached to the bow.
MJ Marine produces custom marine mufflers which offer proven noise elimination technology that enables boaters to operate their performance boats in areas where sound emissions are restricted. Whether it's for recreational or professional boating, noise affects everyone and MJ Marine's custom marine mufflers helps cut down on the noise with little or no horsepower loss.
MJ Marine uses reinforced plastic tubing and a select group of fiber reinforcements and flame retardant HETRON resins to produce Custom Marine Wet Exhaust Systems. The tubing manufactured ranges in diameters (outside) from 2.5 - 10 and the standard length of our tubing is 10'. The smooth turn elbows have diameters from 1.5 - 10.
Reviews (1)
Scott M. Scotty
Scott M. Scotty
Jan 11, 2019
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My employer has a long term relationship with MJ Marine Exhaust. Maurillio always gets the job done, in short order, and produces quality parts. His shop has the ability to custom produce almost any shape pipe, waterlifts, and mufflers, for your boat, new, or old.