Pacific Performance Engineering 149000135 Heat Sound Insulator Firewall Silver

The Pacific Performance Engineering 149000135 Heat/Sound Insulator Firewall is a custom-fit replacement designed to reduce engine heat and noise entering the cabin of 2001-2007 GM Duramax diesel trucks. This premium firewall insulator replaces worn, tattered, or damaged factory insulation with a high-performance barrier that provides superior thermal and acoustic protection.

Advanced Multi-Layer Construction:

• Ceramic fiber interior core for maximum heat resistance
• Tightly woven silicone fiberglass outer fabric
• Woven silica inner panel
• Temperature resistance up to 1,290 degrees Fahrenheit
• Merrowed stainless steel wire edging for durability

Key Features:

• Custom-fit design with grommets for OEM-style installation
• Significantly reduces heat transfer from engine compartment
• Dampens diesel engine noise for a quieter cabin
• Silver finish outer fabric
• Can be installed without removing the engine
• Made in USA

Diesel engines generate substantial heat during towing, racing, and heavy-duty driving conditions. This professional-grade firewall insulator creates an effective thermal barrier while maintaining proper engine bay ventilation. The multi-layer construction combines advanced materials to deliver superior performance compared to factory insulation, keeping your cabin cooler and more comfortable during high-output driving situations.