SPIER SYSTEM
Automotive engine exhaust treatment systems used for improving fuel economy and reducing greenhouse gases sold as a unit and comprised of a reinforced silicone rubber hose, stainless steel connectors, stainless steel clamps and fittings, flapper check valves in the rubber hose, an air-to-air heat exchanger and a polymer-coated steel weldment of integrated steel tubes of various sizes in a venturi formation
Pending · November 22, 2022 · 97687476 ·