PPE 149000135 Heat/Sound Insulator Firewall - Silver | 1999-2007 GM Silverado/Sierra

Features: - Tightly woven silicone fiberglass and silica outer fabrics. - Ceramic fiber interior. - Merrowed stainless steel wire edging. - Reduced engine heat and noise entering the cab. - Can be installed without removing engine. Effectively Blocks Heat During Intense Activities Diesel engines, especially during intense activities like towing, racing, and city driving, can produce a lot of heat. Enhance your driving experience by upgrading your old firewall insulation with the new PPE Insulator Firewall. Tailored specifically for 1999-2007 Duramax diesel engines, this custom-fit replacement effectively blocks heat, ensuring a cooler and more comfortable ride. Designed for Durability with High-Quality Materials The PPE Insulator Firewall is designed for durability, featuring merrowed stainless steel wire edging and grommets for a perfect OEM fit. Its superior construction includes a ceramic fiber core, sandwiched between a tightly woven silicone fiberglass outer fabric and a woven silica inner panel. This combination of high-quality materials provides exceptional temperature resistance up to 1,290 degrees, delivering excellent heat protection for your engine compartment. Fits: 1999-2007 GM Sierra/Silverado