2011 - 2015 GM 6.6L Duramax 5” Down Pipe Back Exhaust, 409SS (332015S-WOM)

Vehicle fitment: 2011, 2012, 2013, 2014 & 2015 Chevy / GMC Duramax Diesel LML. Silverado and Sierra pickup trucks.  2015 or 2015.5?  2015 is a split year. The 2011-2015 downpipe is secured to the turbo-direct pipe using a V-band style clamp. The 2015.5-2016 uses a 3 bolt flange style connection. Be sure to visually verify the clamp style your truck is equipped with.Exhaust Material: T-409 stainless steel. Unlike T-304 Stainless its still magnetic. So if your testing to see if you actually got stainless; beware that a magnet will still stick to it.Thickness: 2mmInlet Diameter: 5.0" What is the DPF and is it worth doing a DPF Delete? Most post-2007 diesel vehicles are fitted with a Diesel Particulate Filter (DPF) for emissions reasons, however there are a few disadvantages to this device; including constant maintenance and repairs. Because the DPF clogs up, it increases backpressure. Due to this pressure, the fuel flow is hugely disturbed and slowed down. Therefore, when you remove t