2015.5-2016 LML Duramax 6.6L DPF & CAT Delete Race Pipe Exhaust 4" for Chevy GMC

9PHX 2015.5-2016 LML Duramax 6.6L DPF & CAT Delete Race Pipe Exhaust 4" for Chevy GMC. Features:. The turbo direct pipe on some of the 2015 models has a V-band clamp instead of a 3-bolt flange. These kits will only fit models equipped with 3-bolt flange and will not work for trucks equipped with the V-band clamp off the turbo direct pipe!. Fitment:. 2015.5-2016 GMC Chevy Duramax 6.6L 2500/3500 pickup with the LML engine. (Short bed crew cab and long bed crew cab. )This kit will only fit models equipped with the OEM-style 3-bolt flange coming off of the turbo direct pipe. Race tuning is required. 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…