2011-2016 LML Duramax 6.6L CAT & DPF Delete Race Pipe Exhaust 4" for Chevy GMC

9PHX 2011-2016 LML Duramax 6.6L CAT & DPF Delete Race Pipe Exhaust 4" for Chevy GMC. Features:. The turbo direct pipe on some of the 2015 models has a 3-bolt flange instead of a V-band clamp. These kits will only fit models equipped with v-band clamp and will not work for trucks equipped with the 3-bolt flange off the turbo direct pipe!. Fitment:. For 2011-2015 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Short bed crew cab and long bed crew cab. Will not fit Cab & Chassis 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: 2mm. Inlet Diameter: 4". The exhaust pipe material is T409 stainless steel.. A common misconception: unlike T304 stainless steel, T409 stainless steel is still magnetic. So if you are checking to see if you really have stainless…