The MagnaFlow Pro Series Diesel Exhaust is the entry-level performance diesel system featuring a satin finish 100% stainless steel muffler, stainless steel band clamps with mandrel-bent stainless steel tubing. Offered in a "turbo-back" or "cat-back", all of our systems are proven to make significant gains in power. All systems include a stainless steel, straight-through wide open performance muffler, 100% stainless steel tubing, and all the necessary hardware to complete the job like a pro. Optional 5" diesel tips are sold separately. PartNumber : mag18995 Description : SYS C/B 11-12 GM Diesel 6.6L Pro Main Piping Diameter : 4 Material : Aluminized Note : All Cabs All Beds Warranty : 1 year Components : Band Clamp=5 Notes : All Cabs All Beds Series : Aluminized PRO DPF Anticipated Ship Out Time : Approximately 1-2 Days Attachment Style : Clamp-On Color/Finish : Satin Exhaust Inlet Connection Type : Clamp-On Exhaust Pipe Material : Aluminized Muffler Quantity : Exit Location : Dual Same Side Behind Passenger Rear Tire Exit Quantity : Dual Recommended Use : Performance System Type : Particulate Filter-Back Tip Type : Intercooled;Rolled Edge;Single Wall;Angle Cut Tip Diameter : 5 Tip Finish : Polished Tip Length : 13 Tip Material : Stainless Tip Quantity : 2 Tip Shape : Round Sound Level : Moderate Color/Finish : Aluminized Warranty : 1 Year Limited Exhaust Type : Dual Exit Position : Dual Rear Exit Style : Straight Finish : Aluminized Inlet Size (in.) : 4 Material : Aluminized Steel Outlet Size (in.) : 5 System Type : DPF Back Tip Size : 5 in. Muffler Type : None Inlet Inside Diameter (in.) : 4 Outlet Outside Diameter (in.) : 5 Tubing Diameter : 4.00 in. WARNING CA Proposition 65 : No Outlet Outside Diameter : 5 Tip Type : Intercooled Inlet Inside Diameter : 4.000 in. 2011-2013 Chevrolet Silverado 2500 HD LT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 2500 HD LT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 2500 HD LTZ V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 2500 HD LTZ V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 2500 HD WT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 2500 HD WT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 3500 HD LT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 3500 HD LT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 3500 HD LTZ V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 3500 HD LTZ V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 3500 HD WT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 Chevrolet Silverado 3500 HD WT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD Denali V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD SLE V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD SLE V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD SLT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD SLT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD WT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 2500 HD WT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD Denali V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD Denali V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD SLE V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD SLE V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD SLT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD SLT V8.6599cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD WT V8.-cc Exhaust, Mufflers & Tips::Catback 2011-2013 GMC Sierra 3500 HD WT V8.6599cc Exhaust, Mufflers & Tips::Catback