Great Lakes Sound & Vibration (GLSV) brand Modular Exhaust was recently selected to provide 70 exhaust mufflers to DLA Land and Maritime supply chain under contract number SPE7L417C0033. These mufflers are model NSN # 2990-01-459-7376, and will be utilized by US Marine Corps for use in the Assault Amphibious Vehicle (AAV). Modular Exhaust will design and qualify the muffler to stringent performance specifications while meeting material and interface control requirements set by DLA Land and Maritime.