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Hardin Marine's Cyclone Series Switchable Silencers

hardin marine logoThe Cyclone series silencer systems have quickly become the worlds most sought after exhaust silencer systems. Through Aerospace inspired technology, the cyclone series silencers use an exclusive delta style core surrounded by a sound expansion chamber. This design has been proven to accelerate airflow through the silencers while redirecting the sound airwaves to reduce harsh exhaust noise. Adequate noise reductions of as much as 20% has been experienced without adversely affecting horsepower or torque.

These silencers are constructed of nothing but the best in 316L stainless steel materials offering the very longest life span and superior corrosion resistance. Hardin Marine recognizes that there is no way that a "one size fits all" silencer could meet every boaters needs. Through extensive research and development, the Cyclone series silencers have been designed in four specific sizes, offering the perfect balance of power and noise reduction for any application.

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Hardin Marine
Cyclone Series Hi-Performance Air Operated Transom Mount Silencers

standard angled transom mount silencer

At last, the ultimate silencer system receives the flexibility to go from a non-obstructed open water roar system to a marina quiet muffled system. Thanks to the engineering and design of the Delta Style core and massive sound expansion chamber, no other switch-able transom mount silencer system can flow the large volumes of exhaust gas in a closed/muffled position as the Hardin Marine Cyclone. But that is only the beginning.

These units offer the very longest in reliability due to the use of a pneumatic (air-activated) control panel that responds, activates, and holds better than imitation units that have retro-fitted farm equipment choke solenoids which are prone to intense heat, temperamental activation, and poor reliability. Cyclone units conceal the silencer portion of the unit inside the transom and only protrude 6-inches inside the transom, allowing them to be used with any OEM or high performance wet exhaust system. No cutting or modifications are required like other brands.

The entire silencer systems, as well as the included transom sealing rings, are constructed from 316L highly polished stainless steel, not 304 agriculture specifications. Just another Cyclone exclusive that you have come to expect from Hardin Marine products. The units are available in either a standard straight cut or angle/slash cut version with models for up to 475 horsepower and a version up through 600 horsepower and above. When only the best is good enough for you and your boat, demand Hardin Marine!

Part No. Description
410-282405 Standard Angled Transom Mount Silencer
410-282404 Standard Straight Transom Mount Silencer
410-282453 HP Angled Transom Mount Silencers
410-282452 HP Straight Transom Mount Silencers
Hardin Marine
Tomahawk Transom Mount Air Acutated Silencers

air actuated tomahawk silencer

The new Tomahawk muffler is the best on the market and it's affordable.  They are available in both fulltime and air actuated diverting models.  Now high performance engines can be run at full throttle in the closed or full time position with minimal if any back pressure.  These mufflers are designed to have a minimum 150% cross sectional area.  This means more airflow and more power for you to enjoy.  Maybe the best feature of the air actuated system is that there are no actuating parts visible from the outside of the boat.  No ugly actuators, just clean lines.

  • 316L Stainless Steel Construction
  • Triple Baffle & Screen Maximizes Noise Reduction Capability
  • Highly Polished to a Mirror Finish
  • Weighted Flapper Inside to Avoid Water Surges
  • Mates with 4" ID Exhaust Hose
  • Allows for up to 2-1/2" Transom Thickness to fit most boats
  • Full Time Version includes baffle that is bolted into the end of the muffler but can be easily removed for even less restriction.
Part No. Description
410-282416 Air Actuated Tomahawk Silencer (single engine kit)