For 2015.5-2016 6.6 Duramax LML DPF & CAT Delete Pipe Fits Chevy Silverado 2500 3500

-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.   -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! The exhaust pipe is constructed from T409 stainless steel, which is commonly mistaken as non-magnetic like T304 stainless steel. However, it should be noted that T409 stainless steel remains magnetic and can be verified by its attraction to a magnet. Fuel mileage - Expect a significant increase in fuel mileage. If your DPF is clogged, you probably average about 13-14 miles per hour. More or less depending on the degree of cl