Exhaust Downpipe For Chevy 3' 11-15 6.6L Duramax

Description: Inlet/ Outlet Sizes: 3 ''OD / 3 ''OD Piping Diameter: 3" 2011-2015 Chevy/GMC 2500/3500 6.6L Duramax Diesel Does Not Fit 2015.5+ Model With Flange Outlet Fits for: 2011-2015 Chevy/GMC 2500/3500 6.6L Duramax Diesel Does Not Fit 2015.5+ Model With Flange Outlet