PPE Heat/Sound Firewall Insulator For 1999-2007 GM Sierra/Silverado/Tahoe/Yukon shirt Available in Flood Clear beam

Available in Flood Clear beam patterns

Valid for 2 to 4 inches of lift

Equipped with an oxygen sensor bung and USFS approved spark arrestors

Note: Sold individually

(6) 7/8"-14 O-ring to -10AN fittings

PPE Heat/Sound Firewall Insulator For 1999-2007 GM Sierra/Silverado/Tahoe/Yukon shirt Available in Flood Clear beamDiesel engines produce a lot of heat, especially in high output situations like towing, racing, and light to light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall Create a barrier between you and the heat on your 1999 2007 Duramax diesel engine with this custom fit replacement. This functional upgrade features merrowed stainless steel wire edging for long lasting performance and grommets for