M Series XT 10 25 Ram 2500 3500 8'2" w out RamBox 2014 ram 1500 lone star esi2737193 5" diameter into the mufflers 2 Light Mounting Points 5" diameter into the mufflers with dual 2" out Cat Back(tm) system features the S Type II systems which uses the latest muffler design to eliminate sound frequencies often associate with resonance or drone including roll plates for added protection and ultra high strength composite formula end caps it provides unmatched convenience with quick access to your bed and gear It tackles durability while remaining exceptionally easy to operate with its unique frictionless construction and insulated grip handle