OER Parts offers a wide selection of Cowl, Dash & Firewall Insulation and Sound Deadeners for your 1974 Dodge Charger. OER Parts offers 1974 Dodge Charger Acousti Shield Insulation, 1974 Dodge Charger HushMat Insulation, 1974 Dodge Charger Dynamat Xtreme Interior Insulation, 1974 Dodge Charger Quiet Ride Insulators, 1974 Dodge Charger Thermo-Tec, 1974 Dodge Charger Thermo-Guard FR, 1974 Dodge Charger Firewall Pad Retainer Clips, 1974 Dodge Charger LizardSkin Sound Control, and 1974 Dodge Charger LizardSkin Sound Control & Ceramic Insulation Kit.