The Magnaflow 17870 5" 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. The best value system with a no hassle emissions legal design.
5" Mandrel-Bent 409SS Tubing
Lifetime Construction Warranty
Polished Welded Intercooled Tip
Single Passenger Side Rear Exit
Note: All Crew & Extended Cab fitment applies to GM 2500HD/3500HD Pickups. This system is not designed for use on Cab & Chassis models.