Flowmaster FlowFX Dual Exit Cat-Back Exhaust System For 2019-2021 GM 1500 5.3L head stud kit 2011-2015 GMC Sierra 2500HD/3500HD 6

2011-2015 GMC Sierra 2500HD/3500HD 6

and nuts for uniform load distribution

Stock 20" can be reinstalled with factory tire

Additionally

6L Duramax 3 Inch Turbo Down Pipe-Carb EO # D-763 2001-2004 Chevrolet/GMC Duramax 2500/3500 Fits Early 2004 models

Flowmaster FlowFX Dual Exit Cat-Back Exhaust System For 2019-2021 GM 1500 5.3L head stud kit 2011-2015 GMC Sierra 2500HD/3500HD 6Our new Flowmaster FlowFX cat back exhaust system is manufactured using durable 409 stainless steel throughout and features a 3. 00 inch inlet pipe leading to a single inlet dual outlet FlowFX "straight through" muffler for great sound and maximum performance. The dual 2. 50 inch mandrel bent tailpipes exit out the side at an angle behind the rear wheels directing exhaust away from your boat or travel trailer when towing. The system is finished off