NEW: yacht exhaust muffler by Halyard

Heat Shell is an intuitive product that will remove bulky thermal insulation jackets on their exhaust systems. Instead a glass webbing or ‘Heat Shell'' can be applied to the riser section of the exhaust system, providing an air-tight and liquid proof covering that cannot be damaged by external agents. Offering all the benefits you would expect from thermal insulation su...

Units are produced in batches using the same proven technology as Halyard silencers. The internal pipe work and body are both from Halyard's tough filament wound tube, and every unit is pressure tested. The unit comes with differing body sizes to match the varying exhaust inlets. Two water drains are provided on most units so that yachts can have an outlet for b...

Halyard''s brief from Spirit Yachts'' Managing Director, Sean McMillan, was to keep the 75ft yacht as quiet as possible. Halyard''s solution was a comprehensive system comprising of sound insulation, an exhaust system for the main engine and generator, and installing Aquadrive to reduce vibration – all of which will be on display at the PSP Southampton Boat Show, Stand F...