DEI Boom Mat - Interior Damping - GM Fullsize Truck 1967-72 711041 Zamp NC-40 SFI Neck Collar

Zamp NC-40 SFI Neck Collar is available in adult and youth sizes

Exhaust Cut-Out

Mitered fingers offer a more precise fit again increasing comfort and feel

1969-1974 GMC K25/K2500 Suburban

10 in of Spline

DEI Boom Mat - Interior Damping - GM Fullsize Truck 1967-72 711041 Zamp NC-40 SFI Neck CollarProduct Description: Heat and Sound Barrier Boom Mat Interior Damping Self Adhesive Backing Tool Included GM Fullsize Truck 1967 72 Since 1995, DEI has been a pioneer in the automotive performance industry. Wrapping the exhaust system or headers on a vehicle with DEI's exhaust wrap will reduce under hood temperatures up to 70% while improving performance and protecting components from extreme power robbing heat.