Upgrade your 2007.5-2019 GM 6.6L Duramax with the Magnaflow 18943 4" Aluminized Pro Series Filter-Back Exhaust System. Magnaflow's Aluminized Pro Series features a 1-year warranty with a mufflerless design and a mirror finished, polished, welded intercooled tips. This is the best value system with a no hassle emissions legal design.
- Made In The USA!
- Filter-Back Exhaust System
- 4" Mandrel-Bent Aluminized Steel Construction
- Mirror Polished Welded Intercooled Tips
- 1-Year Limited Warranty
Note: All Crew & Extended Cabs applies to GM 2500HD/3500HD Pickups. This kit is not intended for use on Cab & Chassis applications.