Duramax 4'' Cat and DPF Delete Pipe Compatible for Duramax Engine 6.6L Chevrolet Silverado GMC Sierra 2500HD 3500HD 2011-2015

Application:
Fit For Chevrolet Pickup Truck: Silverado 2500HD, Silverado 3500HD, 2011-2015 Fit For GMC Pickup Truck: Sierra 2500 HD, Sierra 3500 HD, 2011-2015

Fit For Duramax Engine: 6.6L