1992-1999 GMC Suburban UltraMat Sound Deadening insulation Deadener Heat Floor Kit , SLE, SLT, K1500 Suburban, K2500 Suburban, C1500 Suburban, C2500 Suburban1992 1999 GMC Suburban UltraMat Sound Deadening insulation Deadener Heat Floor Kit The engineering team at Zirgo Sound Labs has specifically designed this kit for your 1992 1999 GMC Suburban Inner Floor. This kit includes all the correct material needed to reduce echoes, drones and unwanted rattles resulting in a quieter ride. The exclusive advance design of the open closed cell foam wall helps remove unwanted sounds by absorbing background noise and