OER Parts offers a wide selection of Cowl, Dash & Firewall Insulation and Sound Deadeners for your 1973 Dodge Charger. OER Parts offers 1973 Dodge Charger Acousti Shield Insulation, 1973 Dodge Charger HushMat Insulation, 1973 Dodge Charger Dynamat Xtreme Interior Insulation, 1973 Dodge Charger Quiet Ride Insulators, 1973 Dodge Charger Thermo-Tec, 1973 Dodge Charger Thermo-Guard FR, 1973 Dodge Charger Firewall Pad Retainer Clips, 1973 Dodge Charger LizardSkin Sound Control, and 1973 Dodge Charger LizardSkin Sound Control & Ceramic Insulation Kit.