67-72 C10 Interior Damping Kit RHO substantially reducing the pressure drop

substantially reducing the pressure drop by 0

3 L - Crew Cab - GM Fullsize Truck 2014-18 - Kit

A thicker core would diminish airflow and sacrifice normal engine cooling which would be potentially detrimental to the long term health of the engine

5 in ID - 10 in Length - 350 lb/in Spring Rate - Steel - Blue Powder Coat - Each

Hose and Wire Sleeve - Fire Wrap - 5/8 in ID - 2 ft - Split - Hook and Loop Closure - Silicone / Fiberglass - Black - Each

67-72 C10 Interior Damping Kit RHO substantially reducing the pressure dropHeat and Sound Barrier Boom Mat Interior Damping Self Adhesive Backing Tool Included GM Fullsize Truck 1967 72 Kit