The Magnaflow 17976 4" Pro Series Filter-Back Exhaust System for your 2007.5-2019 GM 6.6L Duramax has a lifetime backed stainless steel construction, a muffler-less design and mirror polished welded intercooled tips. This system provides the best value with a no hassle emissions legal design.
- Made In The USA!
- Filter-Back Exhaust System
- 4" Mandrel-Bent Stainless Steel Construction
- 300 Series Stainless Steel Polished Intercooled Tip
- Lifetime Construction Warranty
Note: All Crew & Extended Cabs applies to GM 2500HD/3500HD Pickups. This kit is not intended for use on Cab & Chassis applications.