aFe 23-23 GM Trucks L6-3.0L (td) LZ0 Large Bore-HD 3 IN 409 SS Back Exhaust System w/Black Tip Nerf Bars & Running Boards>Running Boards 2020-2021 GMC Sierra 3500 HD

2020-2021 GMC Sierra 3500 HD SLT Crew Cab Pickup

s on the Radiance light bar

removing the wind deflector panel reveals a convenient light mount channel

Kenda K299 25x12

adjust pattern speed

aFe 23-23 GM Trucks L6-3.0L (td) LZ0 Large Bore-HD 3 IN 409 SS Back Exhaust System w/Black Tip Nerf Bars & Running Boards>Running Boards 2020-2021 GMC Sierra 3500 HDThis dpf back exhaust system is constructed of 3 IN mandrel bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 4 1 2 IN diameter 304 stainless steel clamp on exhaust tip. The tip features a laser etched aFe POWER logo for a unique style. This system produces a mild sound unleashing all available horsepower and torque. Some cutting may be required, see instruction sheet for further information.