4" DOWNPIPE BACK SINGLE | PICK UP-2011-2015 Duramax Diesel

Vehicle fitment:2011- 2015 Chevy / GMC Duramax Diesel LML. Silverado and Sierra pickup trucks WITH V BAND FLANGE. 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: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: 1.5mm
Inlet Diameter:4.0″