aFe Vulcan Series 3in 304SS DPF-Back Exhaust 10-25 MB Sprinter 2500/3500 V6-3.0L w/ Polished TipsThis DPF back exhaust system is constructed of 3 IN mandrel bent 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 4 IN diameter polished 304 stainless steel clamp on exhaust tip. The tip features a laser etched aFe POWER logo for a unique style. This DPF back exhaust gives you the option for a side exit or rear exit tailpipe. Both options will evacuate the exhaust gasses from under the vehicle.